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Finding the Third Proportional to 319,740.75 and 699,657.75

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Solution

The third proportional to 319,740.75 and 699,657.75 is: 1,530,993.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,740.75 : 699,657.75 = 699,657.75 : x
  2. Step 2: Convert to fraction form
    319,740.75/699,657.75 = 699,657.75/x
  3. Step 3: Cross multiply
    319,740.75x = 699,657.75 × 699,657.75
  4. Step 4: Simplify right side
    319,740.75x = 489,520,967,135.06
  5. Step 5: Solve for x
    x = 489,520,967,135.06/319,740.75
  6. Step 6: Final answer
    x = 1,530,993.37

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