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Finding the Third Proportional to 55,451.25 and 120,244.71

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Solution

The third proportional to 55,451.25 and 120,244.71 is: 260,747.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,451.25 : 120,244.71 = 120,244.71 : x
  2. Step 2: Convert to fraction form
    55,451.25/120,244.71 = 120,244.71/x
  3. Step 3: Cross multiply
    55,451.25x = 120,244.71 × 120,244.71
  4. Step 4: Simplify right side
    55,451.25x = 14,458,790,508.44
  5. Step 5: Solve for x
    x = 14,458,790,508.44/55,451.25
  6. Step 6: Final answer
    x = 260,747.78

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.