Home / 142-260

Finding the Third Proportional to 142 and 260

Calculator

Solution

The third proportional to 142 and 260 is: 476.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    142 : 260 = 260 : x
  2. Step 2: Convert to fraction form
    142/260 = 260/x
  3. Step 3: Cross multiply
    142x = 260 × 260
  4. Step 4: Simplify right side
    142x = 67,600
  5. Step 5: Solve for x
    x = 67,600/142
  6. Step 6: Final answer
    x = 476.06

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.83) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.