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Finding the Third Proportional to 20,933 and 29,279

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Solution

The third proportional to 20,933 and 29,279 is: 40,952.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,933 : 29,279 = 29,279 : x
  2. Step 2: Convert to fraction form
    20,933/29,279 = 29,279/x
  3. Step 3: Cross multiply
    20,933x = 29,279 × 29,279
  4. Step 4: Simplify right side
    20,933x = 857,259,841
  5. Step 5: Solve for x
    x = 857,259,841/20,933
  6. Step 6: Final answer
    x = 40,952.56

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.