Question

In the proportion the first second and fourth terms of 32, 112 and 217 respectively find the third term

Answer 1

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Answer 2

In the proportion the first second and fourth terms of 32, 112 and 217, the third term is 62.

If four terms let us say, a, b, c, d are in proporton, then, we can write them as,

a:b::c:d and we can express them as,

(a ÷ b) = (c ÷ d).                                      ...(1)

In the question given the first 2 numbers are 32 and 112 (represented as a and b in the above equation.) and the 4th number is 217 (represented as d).

To find the 3rd number, c, we can write it as:

c = (a × d) ÷ b

  = (32 × 217) ÷ 112

  = 62

So, the third term, c is 62.