Home / 2,860-3,280

Finding the Third Proportional to 2,860 and 3,280

Calculator

Solution

The third proportional to 2,860 and 3,280 is: 3,761.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,860 : 3,280 = 3,280 : x
  2. Step 2: Convert to fraction form
    2,860/3,280 = 3,280/x
  3. Step 3: Cross multiply
    2,860x = 3,280 × 3,280
  4. Step 4: Simplify right side
    2,860x = 10,758,400
  5. Step 5: Solve for x
    x = 10,758,400/2,860
  6. Step 6: Final answer
    x = 3,761.68

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.