Home / 518-866

Finding the Third Proportional to 518 and 866

Calculator

Solution

The third proportional to 518 and 866 is: 1,447.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    518 : 866 = 866 : x
  2. Step 2: Convert to fraction form
    518/866 = 866/x
  3. Step 3: Cross multiply
    518x = 866 × 866
  4. Step 4: Simplify right side
    518x = 749,956
  5. Step 5: Solve for x
    x = 749,956/518
  6. Step 6: Final answer
    x = 1,447.79

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.67) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.