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Finding the Third Proportional to 82,869 and 177,375

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Solution

The third proportional to 82,869 and 177,375 is: 379,658.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,869 : 177,375 = 177,375 : x
  2. Step 2: Convert to fraction form
    82,869/177,375 = 177,375/x
  3. Step 3: Cross multiply
    82,869x = 177,375 × 177,375
  4. Step 4: Simplify right side
    82,869x = 31,461,890,625
  5. Step 5: Solve for x
    x = 31,461,890,625/82,869
  6. Step 6: Final answer
    x = 379,658.14

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.