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Finding the Third Proportional to 32,408 and 69,874

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Solution

The third proportional to 32,408 and 69,874 is: 150,653.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,408 : 69,874 = 69,874 : x
  2. Step 2: Convert to fraction form
    32,408/69,874 = 69,874/x
  3. Step 3: Cross multiply
    32,408x = 69,874 × 69,874
  4. Step 4: Simplify right side
    32,408x = 4,882,375,876
  5. Step 5: Solve for x
    x = 4,882,375,876/32,408
  6. Step 6: Final answer
    x = 150,653.42

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.