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Finding the Third Proportional to 68,274 and 106,867

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Solution

The third proportional to 68,274 and 106,867 is: 167,275.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,274 : 106,867 = 106,867 : x
  2. Step 2: Convert to fraction form
    68,274/106,867 = 106,867/x
  3. Step 3: Cross multiply
    68,274x = 106,867 × 106,867
  4. Step 4: Simplify right side
    68,274x = 11,420,555,689
  5. Step 5: Solve for x
    x = 11,420,555,689/68,274
  6. Step 6: Final answer
    x = 167,275.33

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.