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proportional

[pruh-pawr-shuh-nl, -pohr-]

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adjective

having due proportion; corresponding.

being in or characterized by proportion.

of, pertaining to, or based on proportion; relative.

Mathematics.

(of two quantities) having the same or a constant ratio or relation: The quantities y and x are proportional if y/x = k, where k is the constant of proportionality.

(of a first quantity with respect to a second quantity) a constant multiple of: The quantity y is proportional to x if y = kx, where k is the constant of proportionality.

Origin:
1350–1400; Middle English proporcional < Latin prōportiōnālis. See proportion, -al¹

Related forms

pro·por·tion·al·i·ty, noun

pro·por·tion·al·ly, adverb

in·ter·pro·por·tion·al, adjective

non·pro·por·tion·al, adjective

non·pro·por·tion·al·ly, adverb

EXPAND

sub·pro·por·tion·al, adjective

sub·pro·por·tion·al·ly, adverb

un·pro·por·tion·al, adjective

un·pro·por·tion·al·ly, adverb

COLLAPSE

Can be confused: proportional, proportionate.

Synonyms
1. harmonious, comparative, accordant, consonant, proportionate.

Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2012.
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Proportional is always a great word to know.

So is proportion. Does it mean:

a relation of four quantities such that the first divided by the second is equal to the third divided by the fourth; the equality of ratios

the process of replacing a number by another number of approximately the same value but having fewer digits

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Example Sentences

In such a situation electoral experts often recommend proportional representation with closed lists.

Not only does it block the view out, it blocks a proportional view of the front.

The slaving states never would have signed on to a proportional parliamentary democracy.

EXPAND

In such a situation electoral experts often recommend proportional representation with closed lists.

Not only does it block the view out, it blocks a proportional view of the front.

The slaving states never would have signed on to a proportional parliamentary democracy.

The size of the compost bin should be proportional to the needs of your project.

Turbine power generation is proportional to the cube of wind speed.

From mouse to human to elephant, each increase in size requires a proportional increase in energy to maintain it.

People pay premiums proportional to their income to join the insurance pool determined by their place of work or residence.

Cutting down on the time because it is proportional to the amount of students in the school.

List system of proportional representation based on universal adult suffrage.

The relative strength, or velocity, of the jet stream is proportional to the intensity of this thermal gradient.

Also suppose that these things are decreasing at a changing rate where the rate is proportional to the number of things.

Community school board elections are a chance for this because they use proportional representation.

Hence, the number of unique connections is proportional to the square of the number of nodes.

Here are some of the words proportional to their frequency in the corpus.

It does not depend on math, but instead helps students develop ideas of proportional reasoning through some simple experiments.

Price and quality are absolutely not directly proportional.

For this newspaper, that system would have to be genuinely more proportional than the current one.

Orbital period, which is the time required to complete one orbit about the primary body, is proportional to orbital energy.

The reflected wavelength is proportional to the cavity's depth.

Also, a nearly infinite positive value inversely proportional to the unimportance of the displayed entertainment.

Let us hope they choose on proportional representation, not first-past-the-post.

Finally, a vehicle?s aerodynamic drag is proportional to air density.

The air resistance force is proportional to the velocity squared.

Gravitational force is inversely proportional to the square of the distance between two objects.

Proportional bidding, for instance, allows resources to be shared.

The pressure due to the flow of the water in the pipe is proportional to the length of the pipe.

Her physical stature seemed to be inversely proportional to the influence her bones have had on our understanding of our origins.

The numbers are roughly proportional to the population served by the federal appeals court.

The opposing component of surface tension is proportional to the perimeter of the leg where it is in contact with the water.

Case-lighting-lumens are inversely proportional to social status.

Arrow widths are proportional to the balance of money owed.

Importantly, the change is proportional to the amount of drug in the sample.

Force from the thruster is proportional to the area of the thruster.

With the increase in vacationists comes a proportional increase in activities.

The length of that distant arc segment is simply proportional to its distance.

They're divorced from mystical notions of cosmic proportional unity.

In sound equipment, cost and quality are not always proportional.

I'd start each country's quota proportional to the amount of coastline each has and let them trade up from there.

It has to do with the formula with is inversely proportional to the cosine of the angle.

If compensation isn't somehow proportional to real, honest productivity, then the system is flawed.

Inertia is the property of matter for which the change in speed is inversely proportional.

The heat of the discussion is inversely proportional to the amount of data available.

There is no doubt that your productivity is proportional to the time spent on a project, but it is not directly proportional.

He was able to estimate their body size because teeth are proportional to the sizes of the horses the teeth once belonged.

The proportional impact of each avenue is much less clear.

First, when you pull or push on one, the force it exerts is proportional to the amount of stretch.

Sundlun cut a larger-than-life figure that seemed inversely proportional to the size of his state.

My international experience is that the probability of free internet is inversely proportional to the cost of the room.

It is based on racial solidarity, ethnic bloc voting and proportional representation by minority officeholders.

The length of each circle segment is proportional to the total number of words spoken by the candidate during the debates.

The downside is that it is proportional so you pay more as the amount increases, as opposed to a fixed fee.

Countries with parliaments elected by proportional representation are often cursed with myriad political groups.

It would entail more work on my part, but not a proportional increase in workload.

It is almost as if there is an inversely proportional relationship between his fortunes and those of his struggling successor.

Their overall costs are lower, so the proportional increase is greater.

One hypothesis is that our standard of living is roughly proportional to our energy use.

These unfilled seats will be doled out on a proportional basis to the parties that won seats during the initial allocation.

Our native sense of fairness tells us that our shares should be roughly proportional to the value of our contributions.

Battery cost must be proportional to megawatt-hours, not megawatts.

Nor should he make proportional cuts to programs across the board.

The size of the reserve is proportional to the size of the economy to be protected.

The pressure of water pushing against the sides of the tank is proportional to the depth of the water.

What you take out of a commons has to be proportional to what you put in.

Modern adult pygmies have legs and arms that are proportional to their short stature.

How quickly the proton wobbles as it somersaults is proportional to the strength of its magnetic moment.

Experts also cite a proportional decrease of the under-35 population that provided the bulk of new health care workers.

So quotas aimed at proportional representation for races and religions can be helpful.

He wanted his children to see that relativity is proportional.

By contrast, the bulb's lifespan is inversely proportional to the voltage raised to the power.

The researchers found that the size of the loan was proportional to the mortality rate.

When air pollution in a city declines, the city benefits with a directly proportional drop in death rates, a new study has found.

Its power is inversely proportional to its long name.

The law claims that the number of people in a city is inversely proportional to the city's rank among all cities.

The intensity of light would be directly proportional to the magnitude of the shift in.

At a given power level, thrust and efficiency are inversely proportional.

Our sympathy for her people is directly proportional to the appeal of their arguments.

In proportional terms, old age lasted one-quarter longer than expected for males, and two-fifths longer for females.

The amount each tobacco company will pay will be proportional to its share of the market.

Scores are proportional to average per-mile smog and global warming emissions.

Yet other measurements may include an apartment's proportional share of the common areas of the.

Life value is proportional to life expectancy if health is restored, and costs are allocated accordingly.

In general, radio waves become fainter at a rate proportional to the square of the distance traveled.

The value of a database is proportional to the accessibility of its index.

Actually, it may be more useful to say that the fuel consumed increases proportional to the square of the velocity.

The detector then creates a malfunction proportional to the desperation of the operator.

The extent of the reaction is proportional to the amount of exposure to the chemical and to the light.

Why is my inclination to read a comment inversely proportional to the number of inverted commas appearing in.

It is an elite whose status is proportional to what they sacrifice in ordinary human satisfactions.

Meanwhile, medical care should be proportional to maybe the square root of income.

But if one then takes the entropy gradient to be proportional to the reduced.

As such the effect of gravity is proportional to the number of protons and neutrons of any molecule.

In nonlinear systems, the outcome is not proportional to the input.

If a substance is removed at a rate that is proportional to it's concentration then it has a half life.

COLLAPSE

Collins

World English Dictionary

proportional (prəˈpɔːʃən^əl)

—*adj*
1.	of, involving, or being in proportion
2.	maths having or related by a constant ratio

—n
3.	maths an unknown term in a proportion: in a/b = c/x, x is the fourth proportional

proportion'ality

—n

pro'portionally

—*adv*

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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"Eccentricity has always abounded when and where strength of character has abounded; and the amount of eccentricity in a society has generally been proportional to the amount of genius, mental vigour, and moral courage which it contained."

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