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Finding the Third Proportional to 15,320 and 27,472

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Solution

The third proportional to 15,320 and 27,472 is: 49,263.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,320 : 27,472 = 27,472 : x
  2. Step 2: Convert to fraction form
    15,320/27,472 = 27,472/x
  3. Step 3: Cross multiply
    15,320x = 27,472 × 27,472
  4. Step 4: Simplify right side
    15,320x = 754,710,784
  5. Step 5: Solve for x
    x = 754,710,784/15,320
  6. Step 6: Final answer
    x = 49,263.11

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Why These Related Problems?

These problems maintain the same ratio (1.79) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.