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Finding the Third Proportional to 8,791.50 and 11,744

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Solution

The third proportional to 8,791.50 and 11,744 is: 15,688.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,791.50 : 11,744 = 11,744 : x
  2. Step 2: Convert to fraction form
    8,791.50/11,744 = 11,744/x
  3. Step 3: Cross multiply
    8,791.50x = 11,744 × 11,744
  4. Step 4: Simplify right side
    8,791.50x = 137,921,536
  5. Step 5: Solve for x
    x = 137,921,536/8,791.50
  6. Step 6: Final answer
    x = 15,688.06

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Why These Related Problems?

These problems maintain the same ratio (1.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.