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Finding the Third Proportional to 11,625 and 27,439

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Solution

The third proportional to 11,625 and 27,439 is: 64,765.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,625 : 27,439 = 27,439 : x
  2. Step 2: Convert to fraction form
    11,625/27,439 = 27,439/x
  3. Step 3: Cross multiply
    11,625x = 27,439 × 27,439
  4. Step 4: Simplify right side
    11,625x = 752,898,721
  5. Step 5: Solve for x
    x = 752,898,721/11,625
  6. Step 6: Final answer
    x = 64,765.48

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.