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Finding the Third Proportional to 381,296 and 813,232

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Solution

The third proportional to 381,296 and 813,232 is: 1,734,469.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,296 : 813,232 = 813,232 : x
  2. Step 2: Convert to fraction form
    381,296/813,232 = 813,232/x
  3. Step 3: Cross multiply
    381,296x = 813,232 × 813,232
  4. Step 4: Simplify right side
    381,296x = 661,346,285,824
  5. Step 5: Solve for x
    x = 661,346,285,824/381,296
  6. Step 6: Final answer
    x = 1,734,469.51

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.