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Finding the Third Proportional to 73,016 and 156,939

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Solution

The third proportional to 73,016 and 156,939 is: 337,321.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,016 : 156,939 = 156,939 : x
  2. Step 2: Convert to fraction form
    73,016/156,939 = 156,939/x
  3. Step 3: Cross multiply
    73,016x = 156,939 × 156,939
  4. Step 4: Simplify right side
    73,016x = 24,629,849,721
  5. Step 5: Solve for x
    x = 24,629,849,721/73,016
  6. Step 6: Final answer
    x = 337,321.27

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.