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Finding the Third Proportional to 19,794 and 26,439

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Solution

The third proportional to 19,794 and 26,439 is: 35,314.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,794 : 26,439 = 26,439 : x
  2. Step 2: Convert to fraction form
    19,794/26,439 = 26,439/x
  3. Step 3: Cross multiply
    19,794x = 26,439 × 26,439
  4. Step 4: Simplify right side
    19,794x = 699,020,721
  5. Step 5: Solve for x
    x = 699,020,721/19,794
  6. Step 6: Final answer
    x = 35,314.78

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Why These Related Problems?

These problems maintain the same ratio (1.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.