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Finding the Third Proportional to 597 and 678

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Solution

The third proportional to 597 and 678 is: 769.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    597 : 678 = 678 : x
  2. Step 2: Convert to fraction form
    597/678 = 678/x
  3. Step 3: Cross multiply
    597x = 678 × 678
  4. Step 4: Simplify right side
    597x = 459,684
  5. Step 5: Solve for x
    x = 459,684/597
  6. Step 6: Final answer
    x = 769.99

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