Finding the Third Proportional to 247,731.75 and 393,693.75
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Solution
The third proportional to 247,731.75 and 393,693.75 is: 625,655.65
Step by Step Solution
- Step 1: Write the proportion equation
247,731.75 : 393,693.75 = 393,693.75 : x - Step 2: Convert to fraction form
247,731.75/393,693.75 = 393,693.75/x - Step 3: Cross multiply
247,731.75x = 393,693.75 × 393,693.75 - Step 4: Simplify right side
247,731.75x = 154,994,768,789.06 - Step 5: Solve for x
x = 154,994,768,789.06/247,731.75 - Step 6: Final answer
x = 625,655.65
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These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.