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Finding the Third Proportional to 80,092 and 120,138

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Solution

The third proportional to 80,092 and 120,138 is: 180,207

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,092 : 120,138 = 120,138 : x
  2. Step 2: Convert to fraction form
    80,092/120,138 = 120,138/x
  3. Step 3: Cross multiply
    80,092x = 120,138 × 120,138
  4. Step 4: Simplify right side
    80,092x = 14,433,139,044
  5. Step 5: Solve for x
    x = 14,433,139,044/80,092
  6. Step 6: Final answer
    x = 180,207

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.