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Finding the Third Proportional to 26,388 and 38,331

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Solution

The third proportional to 26,388 and 38,331 is: 55,679.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,388 : 38,331 = 38,331 : x
  2. Step 2: Convert to fraction form
    26,388/38,331 = 38,331/x
  3. Step 3: Cross multiply
    26,388x = 38,331 × 38,331
  4. Step 4: Simplify right side
    26,388x = 1,469,265,561
  5. Step 5: Solve for x
    x = 1,469,265,561/26,388
  6. Step 6: Final answer
    x = 55,679.31

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Why These Related Problems?

These problems maintain the same ratio (1.45) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.