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Finding the Third Proportional to 129,165.75 and 173,234.25

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Solution

The third proportional to 129,165.75 and 173,234.25 is: 232,337.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,165.75 : 173,234.25 = 173,234.25 : x
  2. Step 2: Convert to fraction form
    129,165.75/173,234.25 = 173,234.25/x
  3. Step 3: Cross multiply
    129,165.75x = 173,234.25 × 173,234.25
  4. Step 4: Simplify right side
    129,165.75x = 30,010,105,373.06
  5. Step 5: Solve for x
    x = 30,010,105,373.06/129,165.75
  6. Step 6: Final answer
    x = 232,337.95

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Why These Related Problems?

These problems maintain the same ratio (1.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.