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Finding the Third Proportional to 26,422 and 39,638

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Solution

The third proportional to 26,422 and 39,638 is: 59,464.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,422 : 39,638 = 39,638 : x
  2. Step 2: Convert to fraction form
    26,422/39,638 = 39,638/x
  3. Step 3: Cross multiply
    26,422x = 39,638 × 39,638
  4. Step 4: Simplify right side
    26,422x = 1,571,171,044
  5. Step 5: Solve for x
    x = 1,571,171,044/26,422
  6. Step 6: Final answer
    x = 59,464.50

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.