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Finding the Third Proportional to 33,479 and 51,839

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Solution

The third proportional to 33,479 and 51,839 is: 80,267.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,479 : 51,839 = 51,839 : x
  2. Step 2: Convert to fraction form
    33,479/51,839 = 51,839/x
  3. Step 3: Cross multiply
    33,479x = 51,839 × 51,839
  4. Step 4: Simplify right side
    33,479x = 2,687,281,921
  5. Step 5: Solve for x
    x = 2,687,281,921/33,479
  6. Step 6: Final answer
    x = 80,267.69

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.