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Finding the Third Proportional to 20,404 and 43,917

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Solution

The third proportional to 20,404 and 43,917 is: 94,525.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,404 : 43,917 = 43,917 : x
  2. Step 2: Convert to fraction form
    20,404/43,917 = 43,917/x
  3. Step 3: Cross multiply
    20,404x = 43,917 × 43,917
  4. Step 4: Simplify right side
    20,404x = 1,928,702,889
  5. Step 5: Solve for x
    x = 1,928,702,889/20,404
  6. Step 6: Final answer
    x = 94,525.72

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.