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Finding the Third Proportional to 515,655.75 and 757,686.75

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Solution

The third proportional to 515,655.75 and 757,686.75 is: 1,113,318.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,655.75 : 757,686.75 = 757,686.75 : x
  2. Step 2: Convert to fraction form
    515,655.75/757,686.75 = 757,686.75/x
  3. Step 3: Cross multiply
    515,655.75x = 757,686.75 × 757,686.75
  4. Step 4: Simplify right side
    515,655.75x = 574,089,211,125.56
  5. Step 5: Solve for x
    x = 574,089,211,125.56/515,655.75
  6. Step 6: Final answer
    x = 1,113,318.74

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