What proportion is 7 out of 21?

What proportion is 7 out of 21? In other words, what proportion is 7 out of 21 as a percentage? More specifically, if 7 is the part, and 21 is the whole, what will the part be if the whole is 100?

Below is a more straightforward illustration showing you what we mean when we say we want find the proportion of 7 out of 21 as a percentage:

7 out of 21 = P out of 100

The above problem can be made into an equation and can be solved like this:

P/100 = 7/21
P = 700/21
P ≈ 33.3333

Now we know that the proportion of 7 out of 21 is the same as 33.3333 out of 100, which means that we have our answer:

What proportion is 7 out of 21? ≈ 33.3333%

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