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Finding the Third Proportional to 80,474 and 119,759.25

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Solution

The third proportional to 80,474 and 119,759.25 is: 178,222.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,474 : 119,759.25 = 119,759.25 : x
  2. Step 2: Convert to fraction form
    80,474/119,759.25 = 119,759.25/x
  3. Step 3: Cross multiply
    80,474x = 119,759.25 × 119,759.25
  4. Step 4: Simplify right side
    80,474x = 14,342,277,960.56
  5. Step 5: Solve for x
    x = 14,342,277,960.56/80,474
  6. Step 6: Final answer
    x = 178,222.51

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.