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Finding the Third Proportional to 7,542 and 11,086.88

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Solution

The third proportional to 7,542 and 11,086.88 is: 16,297.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,542 : 11,086.88 = 11,086.88 : x
  2. Step 2: Convert to fraction form
    7,542/11,086.88 = 11,086.88/x
  3. Step 3: Cross multiply
    7,542x = 11,086.88 × 11,086.88
  4. Step 4: Simplify right side
    7,542x = 122,918,797.27
  5. Step 5: Solve for x
    x = 122,918,797.27/7,542
  6. Step 6: Final answer
    x = 16,297.90

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.