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Finding the Third Proportional to 7,542 and 9,761

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Solution

The third proportional to 7,542 and 9,761 is: 12,632.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,542 : 9,761 = 9,761 : x
  2. Step 2: Convert to fraction form
    7,542/9,761 = 9,761/x
  3. Step 3: Cross multiply
    7,542x = 9,761 × 9,761
  4. Step 4: Simplify right side
    7,542x = 95,277,121
  5. Step 5: Solve for x
    x = 95,277,121/7,542
  6. Step 6: Final answer
    x = 12,632.87

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Why These Related Problems?

These problems maintain the same ratio (1.29) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.