Question

If two ratios are equal, then they are in proportion and wil
to equate the two ratios.​

Answer 1

Answer:

Proportion. ... Four quantities are said to be in proportion, if the ratio of first and second quantities is equal to the ratio of third and fourth quantities. If two ratios are equal, then we say that they are in proportion and use the symbol ':: ' or '=' to equate the two ratios.