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Finding the Third Proportional to 670,727.25 and 996,975

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Solution

The third proportional to 670,727.25 and 996,975 is: 1,481,912.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,727.25 : 996,975 = 996,975 : x
  2. Step 2: Convert to fraction form
    670,727.25/996,975 = 996,975/x
  3. Step 3: Cross multiply
    670,727.25x = 996,975 × 996,975
  4. Step 4: Simplify right side
    670,727.25x = 993,959,150,625
  5. Step 5: Solve for x
    x = 993,959,150,625/670,727.25
  6. Step 6: Final answer
    x = 1,481,912.58

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.