Question

continued proportion:
(i) x, 45, 30
(iii) 20,25,x​

Answer 1

Step-by-step explanation:

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Answer 2

Answer:

(i) $x = 67.5$

(ii) $x = 31.25$

Step-by-step explanation:

Condition for continued proportion is:

Middle Term Squared = Product of Extremes

(i) $30x = 45^2$, ∴ $x = \frac{(45).(45)}{30} = 67.5$

(ii) $20x = 25^2$, $x = \frac{(25).(25)}{20} = 31.25$