Question

(a) x : 3 :: 57 : 19 find x in the following proportions
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Answer 1

Answer:

X:3::57:19

$\frac{x}{3} = \frac{57}{19} \\ 19x = 57 \times 3 \\ x = \frac{171}{19} = 9$

X=9

Step-by-step explanation:

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Answer 2

Answer:

$as \: product \: of \: extremes \: = product \: of \: means \\ x \times 19 = 3 \times 57 \\ x = \frac{3 \times 57}{19} \\ x = 3 \times 3 \\ x = 9$

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