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Finding the Third Proportional to 38,530 and 80,114

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Solution

The third proportional to 38,530 and 80,114 is: 166,578.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,530 : 80,114 = 80,114 : x
  2. Step 2: Convert to fraction form
    38,530/80,114 = 80,114/x
  3. Step 3: Cross multiply
    38,530x = 80,114 × 80,114
  4. Step 4: Simplify right side
    38,530x = 6,418,252,996
  5. Step 5: Solve for x
    x = 6,418,252,996/38,530
  6. Step 6: Final answer
    x = 166,578.07

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.