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Finding the Third Proportional to 644,936 and 1,394,936

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Solution

The third proportional to 644,936 and 1,394,936 is: 3,017,115.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,936 : 1,394,936 = 1,394,936 : x
  2. Step 2: Convert to fraction form
    644,936/1,394,936 = 1,394,936/x
  3. Step 3: Cross multiply
    644,936x = 1,394,936 × 1,394,936
  4. Step 4: Simplify right side
    644,936x = 1,945,846,444,096
  5. Step 5: Solve for x
    x = 1,945,846,444,096/644,936
  6. Step 6: Final answer
    x = 3,017,115.57

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.