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Finding the Third Proportional to 13,120 and 26,744

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Solution

The third proportional to 13,120 and 26,744 is: 54,515.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,120 : 26,744 = 26,744 : x
  2. Step 2: Convert to fraction form
    13,120/26,744 = 26,744/x
  3. Step 3: Cross multiply
    13,120x = 26,744 × 26,744
  4. Step 4: Simplify right side
    13,120x = 715,241,536
  5. Step 5: Solve for x
    x = 715,241,536/13,120
  6. Step 6: Final answer
    x = 54,515.36

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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.