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Finding the Third Proportional to 639,553.08 and 958,344.19

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Solution

The third proportional to 639,553.08 and 958,344.19 is: 1,436,039.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,553.08 : 958,344.19 = 958,344.19 : x
  2. Step 2: Convert to fraction form
    639,553.08/958,344.19 = 958,344.19/x
  3. Step 3: Cross multiply
    639,553.08x = 958,344.19 × 958,344.19
  4. Step 4: Simplify right side
    639,553.08x = 918,423,581,715.04
  5. Step 5: Solve for x
    x = 918,423,581,715.04/639,553.08
  6. Step 6: Final answer
    x = 1,436,039.66

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