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Finding the Third Proportional to 939,912.75 and 1,986,975

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Solution

The third proportional to 939,912.75 and 1,986,975 is: 4,200,463.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,912.75 : 1,986,975 = 1,986,975 : x
  2. Step 2: Convert to fraction form
    939,912.75/1,986,975 = 1,986,975/x
  3. Step 3: Cross multiply
    939,912.75x = 1,986,975 × 1,986,975
  4. Step 4: Simplify right side
    939,912.75x = 3,948,069,650,625
  5. Step 5: Solve for x
    x = 3,948,069,650,625/939,912.75
  6. Step 6: Final answer
    x = 4,200,463.98

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.