Home / 266-518

Finding the Third Proportional to 266 and 518

Calculator

Solution

The third proportional to 266 and 518 is: 1,008.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    266 : 518 = 518 : x
  2. Step 2: Convert to fraction form
    266/518 = 518/x
  3. Step 3: Cross multiply
    266x = 518 × 518
  4. Step 4: Simplify right side
    266x = 268,324
  5. Step 5: Solve for x
    x = 268,324/266
  6. Step 6: Final answer
    x = 1,008.74

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.95) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.