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Finding the Third Proportional to 26,940 and 40,212

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Solution

The third proportional to 26,940 and 40,212 is: 60,022.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,940 : 40,212 = 40,212 : x
  2. Step 2: Convert to fraction form
    26,940/40,212 = 40,212/x
  3. Step 3: Cross multiply
    26,940x = 40,212 × 40,212
  4. Step 4: Simplify right side
    26,940x = 1,617,004,944
  5. Step 5: Solve for x
    x = 1,617,004,944/26,940
  6. Step 6: Final answer
    x = 60,022.46

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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.