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Finding the Third Proportional to 102,821.50 and 140,076.50

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Solution

The third proportional to 102,821.50 and 140,076.50 is: 190,829.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,821.50 : 140,076.50 = 140,076.50 : x
  2. Step 2: Convert to fraction form
    102,821.50/140,076.50 = 140,076.50/x
  3. Step 3: Cross multiply
    102,821.50x = 140,076.50 × 140,076.50
  4. Step 4: Simplify right side
    102,821.50x = 19,621,425,852.25
  5. Step 5: Solve for x
    x = 19,621,425,852.25/102,821.50
  6. Step 6: Final answer
    x = 190,829.99

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