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Finding the Third Proportional to 8,791.03 and 9,479.53

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Solution

The third proportional to 8,791.03 and 9,479.53 is: 10,221.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,791.03 : 9,479.53 = 9,479.53 : x
  2. Step 2: Convert to fraction form
    8,791.03/9,479.53 = 9,479.53/x
  3. Step 3: Cross multiply
    8,791.03x = 9,479.53 × 9,479.53
  4. Step 4: Simplify right side
    8,791.03x = 89,861,512.72
  5. Step 5: Solve for x
    x = 89,861,512.72/8,791.03
  6. Step 6: Final answer
    x = 10,221.95

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Why These Related Problems?

These problems maintain the same ratio (1.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.