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Finding the Third Proportional to 80,507 and 176,949

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Solution

The third proportional to 80,507 and 176,949 is: 388,922.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,507 : 176,949 = 176,949 : x
  2. Step 2: Convert to fraction form
    80,507/176,949 = 176,949/x
  3. Step 3: Cross multiply
    80,507x = 176,949 × 176,949
  4. Step 4: Simplify right side
    80,507x = 31,310,948,601
  5. Step 5: Solve for x
    x = 31,310,948,601/80,507
  6. Step 6: Final answer
    x = 388,922.06

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.