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Finding the Third Proportional to 26,879 and 40,170

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Solution

The third proportional to 26,879 and 40,170 is: 60,033.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,879 : 40,170 = 40,170 : x
  2. Step 2: Convert to fraction form
    26,879/40,170 = 40,170/x
  3. Step 3: Cross multiply
    26,879x = 40,170 × 40,170
  4. Step 4: Simplify right side
    26,879x = 1,613,628,900
  5. Step 5: Solve for x
    x = 1,613,628,900/26,879
  6. Step 6: Final answer
    x = 60,033.07

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.