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Finding the Third Proportional to 2,279,439 and 3,517,845.75

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Solution

The third proportional to 2,279,439 and 3,517,845.75 is: 5,429,072.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,279,439 : 3,517,845.75 = 3,517,845.75 : x
  2. Step 2: Convert to fraction form
    2,279,439/3,517,845.75 = 3,517,845.75/x
  3. Step 3: Cross multiply
    2,279,439x = 3,517,845.75 × 3,517,845.75
  4. Step 4: Simplify right side
    2,279,439x = 12,375,238,720,793.06
  5. Step 5: Solve for x
    x = 12,375,238,720,793.06/2,279,439
  6. Step 6: Final answer
    x = 5,429,072.12

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.