Home / 111.06-136.69

Finding the Third Proportional to 111.06 and 136.69

Calculator

Solution

The third proportional to 111.06 and 136.69 is: 168.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    111.06 : 136.69 = 136.69 : x
  2. Step 2: Convert to fraction form
    111.06/136.69 = 136.69/x
  3. Step 3: Cross multiply
    111.06x = 136.69 × 136.69
  4. Step 4: Simplify right side
    111.06x = 18,683.47
  5. Step 5: Solve for x
    x = 18,683.47/111.06
  6. Step 6: Final answer
    x = 168.23

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.23) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.