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Finding the Third Proportional to 540 and 625.50

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Solution

The third proportional to 540 and 625.50 is: 724.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    540 : 625.50 = 625.50 : x
  2. Step 2: Convert to fraction form
    540/625.50 = 625.50/x
  3. Step 3: Cross multiply
    540x = 625.50 × 625.50
  4. Step 4: Simplify right side
    540x = 391,250.25
  5. Step 5: Solve for x
    x = 391,250.25/540
  6. Step 6: Final answer
    x = 724.54

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