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Finding the Third Proportional to 518,951.38 and 1,123,195.50

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Solution

The third proportional to 518,951.38 and 1,123,195.50 is: 2,430,994.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,951.38 : 1,123,195.50 = 1,123,195.50 : x
  2. Step 2: Convert to fraction form
    518,951.38/1,123,195.50 = 1,123,195.50/x
  3. Step 3: Cross multiply
    518,951.38x = 1,123,195.50 × 1,123,195.50
  4. Step 4: Simplify right side
    518,951.38x = 1,261,568,131,220.25
  5. Step 5: Solve for x
    x = 1,261,568,131,220.25/518,951.38
  6. Step 6: Final answer
    x = 2,430,994.87

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.