Proportionality (mathematics)

Variable y is directly proportional to the variable x.

Inverse proportionality with a function of y = 1/x.

In mathematics, two variables are proportional if a change in one is always accompanied by a change in the other, and if the changes are always related by use of a constant multiplier. The constant is called the coefficient of proportionality or proportionality constant.

单词	Geometric proportion
释义	Geometric proportion 英语百科 Proportionality (mathematics) In mathematics, two variables are proportional if a change in one is always accompanied by a change in the other, and if the changes are always related by use of a constant multiplier. The constant is called the coefficient of proportionality or proportionality constant.
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Geometric proportion

Proportionality (mathematics)