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Finding the Third Proportional to 133,831 and 297,187

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Solution

The third proportional to 133,831 and 297,187 is: 659,937.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,831 : 297,187 = 297,187 : x
  2. Step 2: Convert to fraction form
    133,831/297,187 = 297,187/x
  3. Step 3: Cross multiply
    133,831x = 297,187 × 297,187
  4. Step 4: Simplify right side
    133,831x = 88,320,112,969
  5. Step 5: Solve for x
    x = 88,320,112,969/133,831
  6. Step 6: Final answer
    x = 659,937.63

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.