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Finding the Third Proportional to 22,279 and 47,471

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Solution

The third proportional to 22,279 and 47,471 is: 101,148.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,279 : 47,471 = 47,471 : x
  2. Step 2: Convert to fraction form
    22,279/47,471 = 47,471/x
  3. Step 3: Cross multiply
    22,279x = 47,471 × 47,471
  4. Step 4: Simplify right side
    22,279x = 2,253,495,841
  5. Step 5: Solve for x
    x = 2,253,495,841/22,279
  6. Step 6: Final answer
    x = 101,148.88

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.