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Finding the Third Proportional to 6,139.97 and 9,387.56

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Solution

The third proportional to 6,139.97 and 9,387.56 is: 14,352.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,139.97 : 9,387.56 = 9,387.56 : x
  2. Step 2: Convert to fraction form
    6,139.97/9,387.56 = 9,387.56/x
  3. Step 3: Cross multiply
    6,139.97x = 9,387.56 × 9,387.56
  4. Step 4: Simplify right side
    6,139.97x = 88,126,329.69
  5. Step 5: Solve for x
    x = 88,126,329.69/6,139.97
  6. Step 6: Final answer
    x = 14,352.90

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.