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Finding the Third Proportional to 1,393,421.06 and 1,962,189.56

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Solution

The third proportional to 1,393,421.06 and 1,962,189.56 is: 2,763,118.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,393,421.06 : 1,962,189.56 = 1,962,189.56 : x
  2. Step 2: Convert to fraction form
    1,393,421.06/1,962,189.56 = 1,962,189.56/x
  3. Step 3: Cross multiply
    1,393,421.06x = 1,962,189.56 × 1,962,189.56
  4. Step 4: Simplify right side
    1,393,421.06x = 3,850,187,879,183.94
  5. Step 5: Solve for x
    x = 3,850,187,879,183.94/1,393,421.06
  6. Step 6: Final answer
    x = 2,763,118.76

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.