Finding the Third Proportional to 391,651.88 and 528,423.75
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Solution
The third proportional to 391,651.88 and 528,423.75 is: 712,958.82
Step by Step Solution
- Step 1: Write the proportion equation
391,651.88 : 528,423.75 = 528,423.75 : x - Step 2: Convert to fraction form
391,651.88/528,423.75 = 528,423.75/x - Step 3: Cross multiply
391,651.88x = 528,423.75 × 528,423.75 - Step 4: Simplify right side
391,651.88x = 279,231,659,564.06 - Step 5: Solve for x
x = 279,231,659,564.06/391,651.88 - Step 6: Final answer
x = 712,958.82
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These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.