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Finding the Third Proportional to 5,657.25 and 8,229.38

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Solution

The third proportional to 5,657.25 and 8,229.38 is: 11,970.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,657.25 : 8,229.38 = 8,229.38 : x
  2. Step 2: Convert to fraction form
    5,657.25/8,229.38 = 8,229.38/x
  3. Step 3: Cross multiply
    5,657.25x = 8,229.38 × 8,229.38
  4. Step 4: Simplify right side
    5,657.25x = 67,722,612.89
  5. Step 5: Solve for x
    x = 67,722,612.89/5,657.25
  6. Step 6: Final answer
    x = 11,970.94

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Why These Related Problems?

These problems maintain the same ratio (1.45) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.