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Finding the Third Proportional to 81,294 and 177,294

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Solution

The third proportional to 81,294 and 177,294 is: 386,660.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,294 : 177,294 = 177,294 : x
  2. Step 2: Convert to fraction form
    81,294/177,294 = 177,294/x
  3. Step 3: Cross multiply
    81,294x = 177,294 × 177,294
  4. Step 4: Simplify right side
    81,294x = 31,433,162,436
  5. Step 5: Solve for x
    x = 31,433,162,436/81,294
  6. Step 6: Final answer
    x = 386,660.30

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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.