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Finding the Third Proportional to 80,240 and 112,177

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Solution

The third proportional to 80,240 and 112,177 is: 156,825.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,240 : 112,177 = 112,177 : x
  2. Step 2: Convert to fraction form
    80,240/112,177 = 112,177/x
  3. Step 3: Cross multiply
    80,240x = 112,177 × 112,177
  4. Step 4: Simplify right side
    80,240x = 12,583,679,329
  5. Step 5: Solve for x
    x = 12,583,679,329/80,240
  6. Step 6: Final answer
    x = 156,825.52

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.