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Finding the Third Proportional to 327,744 and 448,540

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Solution

The third proportional to 327,744 and 448,540 is: 613,857.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,744 : 448,540 = 448,540 : x
  2. Step 2: Convert to fraction form
    327,744/448,540 = 448,540/x
  3. Step 3: Cross multiply
    327,744x = 448,540 × 448,540
  4. Step 4: Simplify right side
    327,744x = 201,188,131,600
  5. Step 5: Solve for x
    x = 201,188,131,600/327,744
  6. Step 6: Final answer
    x = 613,857.56

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.