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Finding the Third Proportional to 1,942,569 and 4,121,847

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Solution

The third proportional to 1,942,569 and 4,121,847 is: 8,745,955.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,942,569 : 4,121,847 = 4,121,847 : x
  2. Step 2: Convert to fraction form
    1,942,569/4,121,847 = 4,121,847/x
  3. Step 3: Cross multiply
    1,942,569x = 4,121,847 × 4,121,847
  4. Step 4: Simplify right side
    1,942,569x = 16,989,622,691,409
  5. Step 5: Solve for x
    x = 16,989,622,691,409/1,942,569
  6. Step 6: Final answer
    x = 8,745,955.84

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.