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Finding the Third Proportional to 8,553.09 and 16,691.91

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Solution

The third proportional to 8,553.09 and 16,691.91 is: 32,575.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,553.09 : 16,691.91 = 16,691.91 : x
  2. Step 2: Convert to fraction form
    8,553.09/16,691.91 = 16,691.91/x
  3. Step 3: Cross multiply
    8,553.09x = 16,691.91 × 16,691.91
  4. Step 4: Simplify right side
    8,553.09x = 278,619,734.26
  5. Step 5: Solve for x
    x = 278,619,734.26/8,553.09
  6. Step 6: Final answer
    x = 32,575.32

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These problems maintain the same ratio (1.95) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.