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Finding the Third Proportional to 461,821.50 and 748,500.75

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Solution

The third proportional to 461,821.50 and 748,500.75 is: 1,213,138.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,821.50 : 748,500.75 = 748,500.75 : x
  2. Step 2: Convert to fraction form
    461,821.50/748,500.75 = 748,500.75/x
  3. Step 3: Cross multiply
    461,821.50x = 748,500.75 × 748,500.75
  4. Step 4: Simplify right side
    461,821.50x = 560,253,372,750.56
  5. Step 5: Solve for x
    x = 560,253,372,750.56/461,821.50
  6. Step 6: Final answer
    x = 1,213,138.35

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Why These Related Problems?

These problems maintain the same ratio (1.62) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.