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Finding the Third Proportional to 26,138 and 39,723

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Solution

The third proportional to 26,138 and 39,723 is: 60,368.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,138 : 39,723 = 39,723 : x
  2. Step 2: Convert to fraction form
    26,138/39,723 = 39,723/x
  3. Step 3: Cross multiply
    26,138x = 39,723 × 39,723
  4. Step 4: Simplify right side
    26,138x = 1,577,916,729
  5. Step 5: Solve for x
    x = 1,577,916,729/26,138
  6. Step 6: Final answer
    x = 60,368.69

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.