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Finding the Third Proportional to 126,192 and 195,366

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Solution

The third proportional to 126,192 and 195,366 is: 302,458.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,192 : 195,366 = 195,366 : x
  2. Step 2: Convert to fraction form
    126,192/195,366 = 195,366/x
  3. Step 3: Cross multiply
    126,192x = 195,366 × 195,366
  4. Step 4: Simplify right side
    126,192x = 38,167,873,956
  5. Step 5: Solve for x
    x = 38,167,873,956/126,192
  6. Step 6: Final answer
    x = 302,458.75

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.