Question

Is Proportion true ?

3.5 ::18:30 urgent please help​

Answer 1

Answer:

Yes it's true

Step-by-step explanation:

Proportion given

3:5::18:30

if law states,

product of means = product of extremes

so here,

3×30=18×5=90 so it is in proportion

Other information :

In mathematics, two varying quantities are said to be in a relation of proportionality, if they are multiplicatively connected to a constant; that is, when either their ratio or their product yields a constant. The value of this constant is called the coefficient of proportionality or proportionality constan t is a proportion.

Proportion says that two ratios (or fractions) are equal. Example: 1/3 = 2/6. See: Equivalent Fractions. Proportions

• Direct proportion.
• Inverse proportion.
• Partitative proportion.

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Answer 2

Step-by-step explanation:

• here is your answer
• hope it's helps you