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Finding the Third Proportional to 451,298.81 and 991,174.50

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Solution

The third proportional to 451,298.81 and 991,174.50 is: 2,176,887.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,298.81 : 991,174.50 = 991,174.50 : x
  2. Step 2: Convert to fraction form
    451,298.81/991,174.50 = 991,174.50/x
  3. Step 3: Cross multiply
    451,298.81x = 991,174.50 × 991,174.50
  4. Step 4: Simplify right side
    451,298.81x = 982,426,889,450.25
  5. Step 5: Solve for x
    x = 982,426,889,450.25/451,298.81
  6. Step 6: Final answer
    x = 2,176,887.82

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