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Finding the Third Proportional to 481 and 542.50

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Solution

The third proportional to 481 and 542.50 is: 611.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    481 : 542.50 = 542.50 : x
  2. Step 2: Convert to fraction form
    481/542.50 = 542.50/x
  3. Step 3: Cross multiply
    481x = 542.50 × 542.50
  4. Step 4: Simplify right side
    481x = 294,306.25
  5. Step 5: Solve for x
    x = 294,306.25/481
  6. Step 6: Final answer
    x = 611.86

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