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Finding the Third Proportional to 20,736 and 26,256

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Solution

The third proportional to 20,736 and 26,256 is: 33,245.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,736 : 26,256 = 26,256 : x
  2. Step 2: Convert to fraction form
    20,736/26,256 = 26,256/x
  3. Step 3: Cross multiply
    20,736x = 26,256 × 26,256
  4. Step 4: Simplify right side
    20,736x = 689,377,536
  5. Step 5: Solve for x
    x = 689,377,536/20,736
  6. Step 6: Final answer
    x = 33,245.44

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Why These Related Problems?

These problems maintain the same ratio (1.27) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.