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Finding the Third Proportional to 10,221 and 22,449

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Solution

The third proportional to 10,221 and 22,449 is: 49,306.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,221 : 22,449 = 22,449 : x
  2. Step 2: Convert to fraction form
    10,221/22,449 = 22,449/x
  3. Step 3: Cross multiply
    10,221x = 22,449 × 22,449
  4. Step 4: Simplify right side
    10,221x = 503,957,601
  5. Step 5: Solve for x
    x = 503,957,601/10,221
  6. Step 6: Final answer
    x = 49,306.10

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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.