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Finding the Third Proportional to 10,272 and 15,317

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Solution

The third proportional to 10,272 and 15,317 is: 22,839.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,272 : 15,317 = 15,317 : x
  2. Step 2: Convert to fraction form
    10,272/15,317 = 15,317/x
  3. Step 3: Cross multiply
    10,272x = 15,317 × 15,317
  4. Step 4: Simplify right side
    10,272x = 234,610,489
  5. Step 5: Solve for x
    x = 234,610,489/10,272
  6. Step 6: Final answer
    x = 22,839.81

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.