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Finding the Third Proportional to 12,488 and 27,472

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Solution

The third proportional to 12,488 and 27,472 is: 60,434.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,488 : 27,472 = 27,472 : x
  2. Step 2: Convert to fraction form
    12,488/27,472 = 27,472/x
  3. Step 3: Cross multiply
    12,488x = 27,472 × 27,472
  4. Step 4: Simplify right side
    12,488x = 754,710,784
  5. Step 5: Solve for x
    x = 754,710,784/12,488
  6. Step 6: Final answer
    x = 60,434.88

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.