SOLUTION: HI, A fellow teacher asked me today about double colons in a proportion question. would 9:3::49:___ be made into a standard fraction and solved, with the answer being 16.33

Question 369079: HI,
A fellow teacher asked me today about double colons in a proportion question.
would 9:3::49:___ be made into a standard fraction and solved, with the answer being 16.3333333?

Answer by neatmath(302) (Show Source): You can put this solution on YOUR website!
It should mean 9 is to 3 as 49 is to some unknown number!

This is indeed a proportion.

You can set it up like this:

given

cross multiplication

simplify

simplify

answer

So, we now have 9:3::49:(49/3)

or 9:3::49:(16 and 1/3)

I believe the most proper answer for the missing number would be 49/3

I hope this helps!

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