Home / 266-656

Finding the Third Proportional to 266 and 656

Calculator

Solution

The third proportional to 266 and 656 is: 1,617.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    266 : 656 = 656 : x
  2. Step 2: Convert to fraction form
    266/656 = 656/x
  3. Step 3: Cross multiply
    266x = 656 × 656
  4. Step 4: Simplify right side
    266x = 430,336
  5. Step 5: Solve for x
    x = 430,336/266
  6. Step 6: Final answer
    x = 1,617.80

Related Problems

Why These Related Problems?

These problems maintain the same ratio (2.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.