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Finding the Third Proportional to 36,190 and 79,744

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Solution

The third proportional to 36,190 and 79,744 is: 175,714.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,190 : 79,744 = 79,744 : x
  2. Step 2: Convert to fraction form
    36,190/79,744 = 79,744/x
  3. Step 3: Cross multiply
    36,190x = 79,744 × 79,744
  4. Step 4: Simplify right side
    36,190x = 6,359,105,536
  5. Step 5: Solve for x
    x = 6,359,105,536/36,190
  6. Step 6: Final answer
    x = 175,714.44

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.