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Finding the Third Proportional to 668,796.75 and 1,360,860.75

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Solution

The third proportional to 668,796.75 and 1,360,860.75 is: 2,769,065.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,796.75 : 1,360,860.75 = 1,360,860.75 : x
  2. Step 2: Convert to fraction form
    668,796.75/1,360,860.75 = 1,360,860.75/x
  3. Step 3: Cross multiply
    668,796.75x = 1,360,860.75 × 1,360,860.75
  4. Step 4: Simplify right side
    668,796.75x = 1,851,941,980,890.56
  5. Step 5: Solve for x
    x = 1,851,941,980,890.56/668,796.75
  6. Step 6: Final answer
    x = 2,769,065.46

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Why These Related Problems?

These problems maintain the same ratio (2.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.