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Finding the Third Proportional to 26,792 and 39,406

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Solution

The third proportional to 26,792 and 39,406 is: 57,958.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,792 : 39,406 = 39,406 : x
  2. Step 2: Convert to fraction form
    26,792/39,406 = 39,406/x
  3. Step 3: Cross multiply
    26,792x = 39,406 × 39,406
  4. Step 4: Simplify right side
    26,792x = 1,552,832,836
  5. Step 5: Solve for x
    x = 1,552,832,836/26,792
  6. Step 6: Final answer
    x = 57,958.82

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.