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Finding the Third Proportional to 15,332.25 and 20,605.13

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Solution

The third proportional to 15,332.25 and 20,605.13 is: 27,691.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,332.25 : 20,605.13 = 20,605.13 : x
  2. Step 2: Convert to fraction form
    15,332.25/20,605.13 = 20,605.13/x
  3. Step 3: Cross multiply
    15,332.25x = 20,605.13 × 20,605.13
  4. Step 4: Simplify right side
    15,332.25x = 424,571,176.27
  5. Step 5: Solve for x
    x = 424,571,176.27/15,332.25
  6. Step 6: Final answer
    x = 27,691.38

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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.