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Finding the Third Proportional to 27,505 and 40,759

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Solution

The third proportional to 27,505 and 40,759 is: 60,399.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,505 : 40,759 = 40,759 : x
  2. Step 2: Convert to fraction form
    27,505/40,759 = 40,759/x
  3. Step 3: Cross multiply
    27,505x = 40,759 × 40,759
  4. Step 4: Simplify right side
    27,505x = 1,661,296,081
  5. Step 5: Solve for x
    x = 1,661,296,081/27,505
  6. Step 6: Final answer
    x = 60,399.78

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.