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Finding the Third Proportional to 275,183 and 366,948

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Solution

The third proportional to 275,183 and 366,948 is: 489,313.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,183 : 366,948 = 366,948 : x
  2. Step 2: Convert to fraction form
    275,183/366,948 = 366,948/x
  3. Step 3: Cross multiply
    275,183x = 366,948 × 366,948
  4. Step 4: Simplify right side
    275,183x = 134,650,834,704
  5. Step 5: Solve for x
    x = 134,650,834,704/275,183
  6. Step 6: Final answer
    x = 489,313.78

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Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.