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Finding the Third Proportional to 20,396 and 41,656

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Solution

The third proportional to 20,396 and 41,656 is: 85,076.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,396 : 41,656 = 41,656 : x
  2. Step 2: Convert to fraction form
    20,396/41,656 = 41,656/x
  3. Step 3: Cross multiply
    20,396x = 41,656 × 41,656
  4. Step 4: Simplify right side
    20,396x = 1,735,222,336
  5. Step 5: Solve for x
    x = 1,735,222,336/20,396
  6. Step 6: Final answer
    x = 85,076.60

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Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.