Finding the Third Proportional to 391,209.75 and 475,170.75
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Solution
The third proportional to 391,209.75 and 475,170.75 is: 577,151.37
Step by Step Solution
- Step 1: Write the proportion equation
391,209.75 : 475,170.75 = 475,170.75 : x - Step 2: Convert to fraction form
391,209.75/475,170.75 = 475,170.75/x - Step 3: Cross multiply
391,209.75x = 475,170.75 × 475,170.75 - Step 4: Simplify right side
391,209.75x = 225,787,241,655.56 - Step 5: Solve for x
x = 225,787,241,655.56/391,209.75 - Step 6: Final answer
x = 577,151.37
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These problems maintain the same ratio (1.21) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.