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Finding the Third Proportional to 76,881 and 167,218

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Solution

The third proportional to 76,881 and 167,218 is: 363,703.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,881 : 167,218 = 167,218 : x
  2. Step 2: Convert to fraction form
    76,881/167,218 = 167,218/x
  3. Step 3: Cross multiply
    76,881x = 167,218 × 167,218
  4. Step 4: Simplify right side
    76,881x = 27,961,859,524
  5. Step 5: Solve for x
    x = 27,961,859,524/76,881
  6. Step 6: Final answer
    x = 363,703.12

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.