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Finding the Third Proportional to 12,544 and 26,120

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Solution

The third proportional to 12,544 and 26,120 is: 54,388.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,544 : 26,120 = 26,120 : x
  2. Step 2: Convert to fraction form
    12,544/26,120 = 26,120/x
  3. Step 3: Cross multiply
    12,544x = 26,120 × 26,120
  4. Step 4: Simplify right side
    12,544x = 682,254,400
  5. Step 5: Solve for x
    x = 682,254,400/12,544
  6. Step 6: Final answer
    x = 54,388.90

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.