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Finding the Third Proportional to 408.50 and 443

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Solution

The third proportional to 408.50 and 443 is: 480.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    408.50 : 443 = 443 : x
  2. Step 2: Convert to fraction form
    408.50/443 = 443/x
  3. Step 3: Cross multiply
    408.50x = 443 × 443
  4. Step 4: Simplify right side
    408.50x = 196,249
  5. Step 5: Solve for x
    x = 196,249/408.50
  6. Step 6: Final answer
    x = 480.41

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