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Finding the Third Proportional to 26,608 and 41,721

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Solution

The third proportional to 26,608 and 41,721 is: 65,417.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,608 : 41,721 = 41,721 : x
  2. Step 2: Convert to fraction form
    26,608/41,721 = 41,721/x
  3. Step 3: Cross multiply
    26,608x = 41,721 × 41,721
  4. Step 4: Simplify right side
    26,608x = 1,740,641,841
  5. Step 5: Solve for x
    x = 1,740,641,841/26,608
  6. Step 6: Final answer
    x = 65,417.99

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.