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Finding the Third Proportional to 15,687 and 24,456.75

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Solution

The third proportional to 15,687 and 24,456.75 is: 38,129.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,687 : 24,456.75 = 24,456.75 : x
  2. Step 2: Convert to fraction form
    15,687/24,456.75 = 24,456.75/x
  3. Step 3: Cross multiply
    15,687x = 24,456.75 × 24,456.75
  4. Step 4: Simplify right side
    15,687x = 598,132,620.56
  5. Step 5: Solve for x
    x = 598,132,620.56/15,687
  6. Step 6: Final answer
    x = 38,129.19

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.