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Finding the Third Proportional to 345,567.75 and 515,688.75

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Solution

The third proportional to 345,567.75 and 515,688.75 is: 769,559.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,567.75 : 515,688.75 = 515,688.75 : x
  2. Step 2: Convert to fraction form
    345,567.75/515,688.75 = 515,688.75/x
  3. Step 3: Cross multiply
    345,567.75x = 515,688.75 × 515,688.75
  4. Step 4: Simplify right side
    345,567.75x = 265,934,886,876.56
  5. Step 5: Solve for x
    x = 265,934,886,876.56/345,567.75
  6. Step 6: Final answer
    x = 769,559.33

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