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Finding the Third Proportional to 81,029 and 176,679

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Solution

The third proportional to 81,029 and 176,679 is: 385,238.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,029 : 176,679 = 176,679 : x
  2. Step 2: Convert to fraction form
    81,029/176,679 = 176,679/x
  3. Step 3: Cross multiply
    81,029x = 176,679 × 176,679
  4. Step 4: Simplify right side
    81,029x = 31,215,469,041
  5. Step 5: Solve for x
    x = 31,215,469,041/81,029
  6. Step 6: Final answer
    x = 385,238.24

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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.