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Finding the Third Proportional to 182,920 and 274,867

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Solution

The third proportional to 182,920 and 274,867 is: 413,032.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,920 : 274,867 = 274,867 : x
  2. Step 2: Convert to fraction form
    182,920/274,867 = 274,867/x
  3. Step 3: Cross multiply
    182,920x = 274,867 × 274,867
  4. Step 4: Simplify right side
    182,920x = 75,551,867,689
  5. Step 5: Solve for x
    x = 75,551,867,689/182,920
  6. Step 6: Final answer
    x = 413,032.30

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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.