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Finding the Third Proportional to 317,711.11 and 698,397.19

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Solution

The third proportional to 317,711.11 and 698,397.19 is: 1,535,226.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,711.11 : 698,397.19 = 698,397.19 : x
  2. Step 2: Convert to fraction form
    317,711.11/698,397.19 = 698,397.19/x
  3. Step 3: Cross multiply
    317,711.11x = 698,397.19 × 698,397.19
  4. Step 4: Simplify right side
    317,711.11x = 487,758,631,507.91
  5. Step 5: Solve for x
    x = 487,758,631,507.91/317,711.11
  6. Step 6: Final answer
    x = 1,535,226.87

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