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Finding the Third Proportional to 129,107 and 197,376

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Solution

The third proportional to 129,107 and 197,376 is: 301,744.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,107 : 197,376 = 197,376 : x
  2. Step 2: Convert to fraction form
    129,107/197,376 = 197,376/x
  3. Step 3: Cross multiply
    129,107x = 197,376 × 197,376
  4. Step 4: Simplify right side
    129,107x = 38,957,285,376
  5. Step 5: Solve for x
    x = 38,957,285,376/129,107
  6. Step 6: Final answer
    x = 301,744.18

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.