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Finding the Third Proportional to 8,508.80 and 18,384.47

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Solution

The third proportional to 8,508.80 and 18,384.47 is: 39,722.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,508.80 : 18,384.47 = 18,384.47 : x
  2. Step 2: Convert to fraction form
    8,508.80/18,384.47 = 18,384.47/x
  3. Step 3: Cross multiply
    8,508.80x = 18,384.47 × 18,384.47
  4. Step 4: Simplify right side
    8,508.80x = 337,988,691.22
  5. Step 5: Solve for x
    x = 337,988,691.22/8,508.80
  6. Step 6: Final answer
    x = 39,722.27

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.