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Finding the Third Proportional to 275,156 and 366,908

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Solution

The third proportional to 275,156 and 366,908 is: 489,255.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,156 : 366,908 = 366,908 : x
  2. Step 2: Convert to fraction form
    275,156/366,908 = 366,908/x
  3. Step 3: Cross multiply
    275,156x = 366,908 × 366,908
  4. Step 4: Simplify right side
    275,156x = 134,621,480,464
  5. Step 5: Solve for x
    x = 134,621,480,464/275,156
  6. Step 6: Final answer
    x = 489,255.12

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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.