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Finding the Third Proportional to 133,367 and 314,805

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Solution

The third proportional to 133,367 and 314,805 is: 743,078.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,367 : 314,805 = 314,805 : x
  2. Step 2: Convert to fraction form
    133,367/314,805 = 314,805/x
  3. Step 3: Cross multiply
    133,367x = 314,805 × 314,805
  4. Step 4: Simplify right side
    133,367x = 99,102,188,025
  5. Step 5: Solve for x
    x = 99,102,188,025/133,367
  6. Step 6: Final answer
    x = 743,078.78

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.