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Finding the Third Proportional to 15,285 and 27,249

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Solution

The third proportional to 15,285 and 27,249 is: 48,577.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,285 : 27,249 = 27,249 : x
  2. Step 2: Convert to fraction form
    15,285/27,249 = 27,249/x
  3. Step 3: Cross multiply
    15,285x = 27,249 × 27,249
  4. Step 4: Simplify right side
    15,285x = 742,508,001
  5. Step 5: Solve for x
    x = 742,508,001/15,285
  6. Step 6: Final answer
    x = 48,577.56

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Why These Related Problems?

These problems maintain the same ratio (1.78) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.