Question

What are the means of the following proportion `3/15=12/60`?

Answer 1

`15` and `12` are means and `3` and `60` are extremes of the above proportion.

Explanation:

Means and Extremes of Proportion

Suppose two ratios a:b and c:d are in proportion.Then it can be expressed as

`a/b=c/d`

Here, `a`, `d` = extremes and,

`b`, `c` = means

Hope you understood