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Finding the Third Proportional to 13,167.56 and 15,373.13

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Solution

The third proportional to 13,167.56 and 15,373.13 is: 17,948.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,167.56 : 15,373.13 = 15,373.13 : x
  2. Step 2: Convert to fraction form
    13,167.56/15,373.13 = 15,373.13/x
  3. Step 3: Cross multiply
    13,167.56x = 15,373.13 × 15,373.13
  4. Step 4: Simplify right side
    13,167.56x = 236,332,972.27
  5. Step 5: Solve for x
    x = 236,332,972.27/13,167.56
  6. Step 6: Final answer
    x = 17,948.12

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Why These Related Problems?

These problems maintain the same ratio (1.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.