Question

find the value of x if the following are in continued proportion 15,30 and X

are in continued proportion
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Answer 1

Step-by-step explanation:

$\qquad\qquad\bf{:}\longmapsto t_2-t_1=t_3-t_2$

$\qquad\qquad\bf{:}\longmapsto 30-15=x-30$

$\qquad\qquad\bf{:}\longmapsto 15=x-30$

$\qquad\qquad\bf{:}\longmapsto x=15+30$

$\qquad\qquad\bf{:}\longmapsto x=45$

Answer 2

ANSWER:60

Step-by-step explanation:

15/30=30/x

15x=30×30

X=60