find third proportion of 5 and 45
please tell step by step​

1 thought on “find third proportion of 5 and 45<br />please tell step by step​”

1. Answer:

   Given:

   a = 5

   b = 45

   c = ?

   According to Proportionality Theorem:

   a : b :: b : c

   5 : 45 :: 45 : c

   [tex]\frac{5}{45} = \frac{45}{c}[/tex]

   [tex]c = \frac{45 * 45}{5}[/tex]

   c = 45 * 9

   = 405

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