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Proportions

Solve for below:
2
50
=
  
49
p


Answer
If 2 proportions are equal to each other, then we can cross multiply to get:
Numerator 1
Denominator 1
=
  
Numerator 2
Denominator 2

Numerator 1 * Denominator 2 = Denominator 1 * Numerator 2

Solving for Denominator 2 we get:

Denominator 2  =  Denominator 1 * Numerator 2
  Numerator 1

Evaluating and simplfying using your input values solving for p, we get:

p  =  50 * 49
  2

p  =  2450
  2

p = 1225