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Finding the Third Proportional to 68,481 and 108,661.50

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Solution

The third proportional to 68,481 and 108,661.50 is: 172,417.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,481 : 108,661.50 = 108,661.50 : x
  2. Step 2: Convert to fraction form
    68,481/108,661.50 = 108,661.50/x
  3. Step 3: Cross multiply
    68,481x = 108,661.50 × 108,661.50
  4. Step 4: Simplify right side
    68,481x = 11,807,321,582.25
  5. Step 5: Solve for x
    x = 11,807,321,582.25/68,481
  6. Step 6: Final answer
    x = 172,417.48

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