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Finding the Third Proportional to 80,245 and 124,186

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Solution

The third proportional to 80,245 and 124,186 is: 192,188.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,245 : 124,186 = 124,186 : x
  2. Step 2: Convert to fraction form
    80,245/124,186 = 124,186/x
  3. Step 3: Cross multiply
    80,245x = 124,186 × 124,186
  4. Step 4: Simplify right side
    80,245x = 15,422,162,596
  5. Step 5: Solve for x
    x = 15,422,162,596/80,245
  6. Step 6: Final answer
    x = 192,188.46

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.