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Finding the Third Proportional to 129,344 and 194,496

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Solution

The third proportional to 129,344 and 194,496 is: 292,465.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,344 : 194,496 = 194,496 : x
  2. Step 2: Convert to fraction form
    129,344/194,496 = 194,496/x
  3. Step 3: Cross multiply
    129,344x = 194,496 × 194,496
  4. Step 4: Simplify right side
    129,344x = 37,828,694,016
  5. Step 5: Solve for x
    x = 37,828,694,016/129,344
  6. Step 6: Final answer
    x = 292,465.78

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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.