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Finding the Third Proportional to 80,758.27 and 120,349.55

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Solution

The third proportional to 80,758.27 and 120,349.55 is: 179,350.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,758.27 : 120,349.55 = 120,349.55 : x
  2. Step 2: Convert to fraction form
    80,758.27/120,349.55 = 120,349.55/x
  3. Step 3: Cross multiply
    80,758.27x = 120,349.55 × 120,349.55
  4. Step 4: Simplify right side
    80,758.27x = 14,484,013,433.02
  5. Step 5: Solve for x
    x = 14,484,013,433.02/80,758.27
  6. Step 6: Final answer
    x = 179,350.23

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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.