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Finding the Third Proportional to 8,566.88 and 9,781.88

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Solution

The third proportional to 8,566.88 and 9,781.88 is: 11,169.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,566.88 : 9,781.88 = 9,781.88 : x
  2. Step 2: Convert to fraction form
    8,566.88/9,781.88 = 9,781.88/x
  3. Step 3: Cross multiply
    8,566.88x = 9,781.88 × 9,781.88
  4. Step 4: Simplify right side
    8,566.88x = 95,685,078.52
  5. Step 5: Solve for x
    x = 95,685,078.52/8,566.88
  6. Step 6: Final answer
    x = 11,169.19

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Why These Related Problems?

These problems maintain the same ratio (1.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.