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Finding the Third Proportional to 3,952 and 5,531

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Solution

The third proportional to 3,952 and 5,531 is: 7,740.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,952 : 5,531 = 5,531 : x
  2. Step 2: Convert to fraction form
    3,952/5,531 = 5,531/x
  3. Step 3: Cross multiply
    3,952x = 5,531 × 5,531
  4. Step 4: Simplify right side
    3,952x = 30,591,961
  5. Step 5: Solve for x
    x = 30,591,961/3,952
  6. Step 6: Final answer
    x = 7,740.88

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.