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Finding the Third Proportional to 275,191 and 366,960

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Solution

The third proportional to 275,191 and 366,960 is: 489,331.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,191 : 366,960 = 366,960 : x
  2. Step 2: Convert to fraction form
    275,191/366,960 = 366,960/x
  3. Step 3: Cross multiply
    275,191x = 366,960 × 366,960
  4. Step 4: Simplify right side
    275,191x = 134,659,641,600
  5. Step 5: Solve for x
    x = 134,659,641,600/275,191
  6. Step 6: Final answer
    x = 489,331.56

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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.