Home / 3,920-5,493

Finding the Third Proportional to 3,920 and 5,493

Calculator

Solution

The third proportional to 3,920 and 5,493 is: 7,697.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,920 : 5,493 = 5,493 : x
  2. Step 2: Convert to fraction form
    3,920/5,493 = 5,493/x
  3. Step 3: Cross multiply
    3,920x = 5,493 × 5,493
  4. Step 4: Simplify right side
    3,920x = 30,173,049
  5. Step 5: Solve for x
    x = 30,173,049/3,920
  6. Step 6: Final answer
    x = 7,697.21

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.