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Finding the Third Proportional to 20,205 and 43,626

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Solution

The third proportional to 20,205 and 43,626 is: 94,195.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,205 : 43,626 = 43,626 : x
  2. Step 2: Convert to fraction form
    20,205/43,626 = 43,626/x
  3. Step 3: Cross multiply
    20,205x = 43,626 × 43,626
  4. Step 4: Simplify right side
    20,205x = 1,903,227,876
  5. Step 5: Solve for x
    x = 1,903,227,876/20,205
  6. Step 6: Final answer
    x = 94,195.89

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.