Home / 266-322

Finding the Third Proportional to 266 and 322

Calculator

Solution

The third proportional to 266 and 322 is: 389.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    266 : 322 = 322 : x
  2. Step 2: Convert to fraction form
    266/322 = 322/x
  3. Step 3: Cross multiply
    266x = 322 × 322
  4. Step 4: Simplify right side
    266x = 103,684
  5. Step 5: Solve for x
    x = 103,684/266
  6. Step 6: Final answer
    x = 389.79

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.21) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.