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Finding the Third Proportional to 20,129 and 47,363

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Solution

The third proportional to 20,129 and 47,363 is: 111,443.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,129 : 47,363 = 47,363 : x
  2. Step 2: Convert to fraction form
    20,129/47,363 = 47,363/x
  3. Step 3: Cross multiply
    20,129x = 47,363 × 47,363
  4. Step 4: Simplify right side
    20,129x = 2,243,253,769
  5. Step 5: Solve for x
    x = 2,243,253,769/20,129
  6. Step 6: Final answer
    x = 111,443.88

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Why These Related Problems?

These problems maintain the same ratio (2.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.