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Finding the Third Proportional to 5,229.56 and 11,491.88

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Solution

The third proportional to 5,229.56 and 11,491.88 is: 25,253.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,229.56 : 11,491.88 = 11,491.88 : x
  2. Step 2: Convert to fraction form
    5,229.56/11,491.88 = 11,491.88/x
  3. Step 3: Cross multiply
    5,229.56x = 11,491.88 × 11,491.88
  4. Step 4: Simplify right side
    5,229.56x = 132,063,191.02
  5. Step 5: Solve for x
    x = 132,063,191.02/5,229.56
  6. Step 6: Final answer
    x = 25,253.20

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.