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Finding the Third Proportional to 372,759.75 and 496,639.13

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Solution

The third proportional to 372,759.75 and 496,639.13 is: 661,687.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,759.75 : 496,639.13 = 496,639.13 : x
  2. Step 2: Convert to fraction form
    372,759.75/496,639.13 = 496,639.13/x
  3. Step 3: Cross multiply
    372,759.75x = 496,639.13 × 496,639.13
  4. Step 4: Simplify right side
    372,759.75x = 246,650,420,480.77
  5. Step 5: Solve for x
    x = 246,650,420,480.77/372,759.75
  6. Step 6: Final answer
    x = 661,687.37

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Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.