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Finding the Third Proportional to 33,908 and 51,872

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Solution

The third proportional to 33,908 and 51,872 is: 79,353.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,908 : 51,872 = 51,872 : x
  2. Step 2: Convert to fraction form
    33,908/51,872 = 51,872/x
  3. Step 3: Cross multiply
    33,908x = 51,872 × 51,872
  4. Step 4: Simplify right side
    33,908x = 2,690,704,384
  5. Step 5: Solve for x
    x = 2,690,704,384/33,908
  6. Step 6: Final answer
    x = 79,353.08

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.