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Finding the Third Proportional to 568,641,978 and 873,655,551

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Solution

The third proportional to 568,641,978 and 873,655,551 is: 1,342,275,194.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,641,978 : 873,655,551 = 873,655,551 : x
  2. Step 2: Convert to fraction form
    568,641,978/873,655,551 = 873,655,551/x
  3. Step 3: Cross multiply
    568,641,978x = 873,655,551 × 873,655,551
  4. Step 4: Simplify right side
    568,641,978x = 763,274,021,793,113,600
  5. Step 5: Solve for x
    x = 763,274,021,793,113,600/568,641,978
  6. Step 6: Final answer
    x = 1,342,275,194.80

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