Question

Find the third proportional to 2 and 4

Answer 1

Answer:

2

Step-by-step explanation:

2:4=4;x

2×=x 4×4

2x=16

8

Answer 2

SOLUTION

TO DETERMINE

The third proportional to 2 and 4

EVALUATION

Let x be the third proportional to 2 and 4

So by the given condition

2 : 4 = 4 : x

$\displaystyle \sf{ \implies \frac{2}{4} = \frac{4}{x} }$

$\displaystyle \sf{ \implies 2x = 16}$

$\displaystyle \sf{ \implies x = \frac{16}{2} }$

$\displaystyle \sf{ \implies x = 8 }$

FINAL ANSWER

The third proportional to 2 and 4 is 8

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