Home / 125-260

Finding the Third Proportional to 125 and 260

Calculator

Solution

The third proportional to 125 and 260 is: 540.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    125 : 260 = 260 : x
  2. Step 2: Convert to fraction form
    125/260 = 260/x
  3. Step 3: Cross multiply
    125x = 260 × 260
  4. Step 4: Simplify right side
    125x = 67,600
  5. Step 5: Solve for x
    x = 67,600/125
  6. Step 6: Final answer
    x = 540.80

Related Problems

Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.