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Finding the Third Proportional to 548 and 693

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Solution

The third proportional to 548 and 693 is: 876.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    548 : 693 = 693 : x
  2. Step 2: Convert to fraction form
    548/693 = 693/x
  3. Step 3: Cross multiply
    548x = 693 × 693
  4. Step 4: Simplify right side
    548x = 480,249
  5. Step 5: Solve for x
    x = 480,249/548
  6. Step 6: Final answer
    x = 876.37

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