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Finding the Third Proportional to 91,761.75 and 202,149.25

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Solution

The third proportional to 91,761.75 and 202,149.25 is: 445,330.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,761.75 : 202,149.25 = 202,149.25 : x
  2. Step 2: Convert to fraction form
    91,761.75/202,149.25 = 202,149.25/x
  3. Step 3: Cross multiply
    91,761.75x = 202,149.25 × 202,149.25
  4. Step 4: Simplify right side
    91,761.75x = 40,864,319,275.56
  5. Step 5: Solve for x
    x = 40,864,319,275.56/91,761.75
  6. Step 6: Final answer
    x = 445,330.64

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.