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Finding the Third Proportional to 129,863 and 194,795

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Solution

The third proportional to 129,863 and 194,795 is: 292,193.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,863 : 194,795 = 194,795 : x
  2. Step 2: Convert to fraction form
    129,863/194,795 = 194,795/x
  3. Step 3: Cross multiply
    129,863x = 194,795 × 194,795
  4. Step 4: Simplify right side
    129,863x = 37,945,092,025
  5. Step 5: Solve for x
    x = 37,945,092,025/129,863
  6. Step 6: Final answer
    x = 292,193.25

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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.