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Finding the Third Proportional to 8,732 and 18,424

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Solution

The third proportional to 8,732 and 18,424 is: 38,873.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,732 : 18,424 = 18,424 : x
  2. Step 2: Convert to fraction form
    8,732/18,424 = 18,424/x
  3. Step 3: Cross multiply
    8,732x = 18,424 × 18,424
  4. Step 4: Simplify right side
    8,732x = 339,443,776
  5. Step 5: Solve for x
    x = 339,443,776/8,732
  6. Step 6: Final answer
    x = 38,873.54

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.