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Finding the Third Proportional to 82,806 and 178,725

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Solution

The third proportional to 82,806 and 178,725 is: 385,752.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,806 : 178,725 = 178,725 : x
  2. Step 2: Convert to fraction form
    82,806/178,725 = 178,725/x
  3. Step 3: Cross multiply
    82,806x = 178,725 × 178,725
  4. Step 4: Simplify right side
    82,806x = 31,942,625,625
  5. Step 5: Solve for x
    x = 31,942,625,625/82,806
  6. Step 6: Final answer
    x = 385,752.55

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.