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Finding the Third Proportional to 163,815.75 and 220,137.75

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Solution

The third proportional to 163,815.75 and 220,137.75 is: 295,823.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,815.75 : 220,137.75 = 220,137.75 : x
  2. Step 2: Convert to fraction form
    163,815.75/220,137.75 = 220,137.75/x
  3. Step 3: Cross multiply
    163,815.75x = 220,137.75 × 220,137.75
  4. Step 4: Simplify right side
    163,815.75x = 48,460,628,975.06
  5. Step 5: Solve for x
    x = 48,460,628,975.06/163,815.75
  6. Step 6: Final answer
    x = 295,823.99

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