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Finding the Third Proportional to 20,121 and 33,026

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Solution

The third proportional to 20,121 and 33,026 is: 54,207.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,121 : 33,026 = 33,026 : x
  2. Step 2: Convert to fraction form
    20,121/33,026 = 33,026/x
  3. Step 3: Cross multiply
    20,121x = 33,026 × 33,026
  4. Step 4: Simplify right side
    20,121x = 1,090,716,676
  5. Step 5: Solve for x
    x = 1,090,716,676/20,121
  6. Step 6: Final answer
    x = 54,207.88

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Why These Related Problems?

These problems maintain the same ratio (1.64) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.