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Finding the Third Proportional to 129,881 and 195,203

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Solution

The third proportional to 129,881 and 195,203 is: 293,377.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,881 : 195,203 = 195,203 : x
  2. Step 2: Convert to fraction form
    129,881/195,203 = 195,203/x
  3. Step 3: Cross multiply
    129,881x = 195,203 × 195,203
  4. Step 4: Simplify right side
    129,881x = 38,104,211,209
  5. Step 5: Solve for x
    x = 38,104,211,209/129,881
  6. Step 6: Final answer
    x = 293,377.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.