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Finding the Third Proportional to 36,698 and 80,431

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Solution

The third proportional to 36,698 and 80,431 is: 176,280.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,698 : 80,431 = 80,431 : x
  2. Step 2: Convert to fraction form
    36,698/80,431 = 80,431/x
  3. Step 3: Cross multiply
    36,698x = 80,431 × 80,431
  4. Step 4: Simplify right side
    36,698x = 6,469,145,761
  5. Step 5: Solve for x
    x = 6,469,145,761/36,698
  6. Step 6: Final answer
    x = 176,280.61

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.