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Finding the Third Proportional to 9,001.13 and 13,251.09

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Solution

The third proportional to 9,001.13 and 13,251.09 is: 19,507.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,001.13 : 13,251.09 = 13,251.09 : x
  2. Step 2: Convert to fraction form
    9,001.13/13,251.09 = 13,251.09/x
  3. Step 3: Cross multiply
    9,001.13x = 13,251.09 × 13,251.09
  4. Step 4: Simplify right side
    9,001.13x = 175,591,485.57
  5. Step 5: Solve for x
    x = 175,591,485.57/9,001.13
  6. Step 6: Final answer
    x = 19,507.73

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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.