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Finding the Third Proportional to 547 and 603

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Solution

The third proportional to 547 and 603 is: 664.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    547 : 603 = 603 : x
  2. Step 2: Convert to fraction form
    547/603 = 603/x
  3. Step 3: Cross multiply
    547x = 603 × 603
  4. Step 4: Simplify right side
    547x = 363,609
  5. Step 5: Solve for x
    x = 363,609/547
  6. Step 6: Final answer
    x = 664.73

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