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Finding the Third Proportional to 20,796 and 36,976

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Solution

The third proportional to 20,796 and 36,976 is: 65,744.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,796 : 36,976 = 36,976 : x
  2. Step 2: Convert to fraction form
    20,796/36,976 = 36,976/x
  3. Step 3: Cross multiply
    20,796x = 36,976 × 36,976
  4. Step 4: Simplify right side
    20,796x = 1,367,224,576
  5. Step 5: Solve for x
    x = 1,367,224,576/20,796
  6. Step 6: Final answer
    x = 65,744.59

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Why These Related Problems?

These problems maintain the same ratio (1.78) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.