Home / 2,067,945.19-3,145,657.78

Finding the Third Proportional to 2,067,945.19 and 3,145,657.78

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Solution

The third proportional to 2,067,945.19 and 3,145,657.78 is: 4,785,021.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,067,945.19 : 3,145,657.78 = 3,145,657.78 : x
  2. Step 2: Convert to fraction form
    2,067,945.19/3,145,657.78 = 3,145,657.78/x
  3. Step 3: Cross multiply
    2,067,945.19x = 3,145,657.78 × 3,145,657.78
  4. Step 4: Simplify right side
    2,067,945.19x = 9,895,162,876,738.67
  5. Step 5: Solve for x
    x = 9,895,162,876,738.67/2,067,945.19
  6. Step 6: Final answer
    x = 4,785,021.84

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.