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Finding the Third Proportional to 318,327.75 and 684,060.75

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Solution

The third proportional to 318,327.75 and 684,060.75 is: 1,469,991.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,327.75 : 684,060.75 = 684,060.75 : x
  2. Step 2: Convert to fraction form
    318,327.75/684,060.75 = 684,060.75/x
  3. Step 3: Cross multiply
    318,327.75x = 684,060.75 × 684,060.75
  4. Step 4: Simplify right side
    318,327.75x = 467,939,109,690.56
  5. Step 5: Solve for x
    x = 467,939,109,690.56/318,327.75
  6. Step 6: Final answer
    x = 1,469,991.57

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