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Finding the Third Proportional to 20,769 and 32,451

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Solution

The third proportional to 20,769 and 32,451 is: 50,703.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,769 : 32,451 = 32,451 : x
  2. Step 2: Convert to fraction form
    20,769/32,451 = 32,451/x
  3. Step 3: Cross multiply
    20,769x = 32,451 × 32,451
  4. Step 4: Simplify right side
    20,769x = 1,053,067,401
  5. Step 5: Solve for x
    x = 1,053,067,401/20,769
  6. Step 6: Final answer
    x = 50,703.81

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.