Home / 3,315,087.75-7,140,272.75

Finding the Third Proportional to 3,315,087.75 and 7,140,272.75

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Solution

The third proportional to 3,315,087.75 and 7,140,272.75 is: 15,379,229.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,315,087.75 : 7,140,272.75 = 7,140,272.75 : x
  2. Step 2: Convert to fraction form
    3,315,087.75/7,140,272.75 = 7,140,272.75/x
  3. Step 3: Cross multiply
    3,315,087.75x = 7,140,272.75 × 7,140,272.75
  4. Step 4: Simplify right side
    3,315,087.75x = 50,983,494,944,392.56
  5. Step 5: Solve for x
    x = 50,983,494,944,392.56/3,315,087.75
  6. Step 6: Final answer
    x = 15,379,229.39

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.