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Finding the Third Proportional to 8,691.52 and 18,613.23

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Solution

The third proportional to 8,691.52 and 18,613.23 is: 39,860.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,691.52 : 18,613.23 = 18,613.23 : x
  2. Step 2: Convert to fraction form
    8,691.52/18,613.23 = 18,613.23/x
  3. Step 3: Cross multiply
    8,691.52x = 18,613.23 × 18,613.23
  4. Step 4: Simplify right side
    8,691.52x = 346,452,348.48
  5. Step 5: Solve for x
    x = 346,452,348.48/8,691.52
  6. Step 6: Final answer
    x = 39,860.96

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.