Home / 169.38-255

Finding the Third Proportional to 169.38 and 255

Calculator

Solution

The third proportional to 169.38 and 255 is: 383.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    169.38 : 255 = 255 : x
  2. Step 2: Convert to fraction form
    169.38/255 = 255/x
  3. Step 3: Cross multiply
    169.38x = 255 × 255
  4. Step 4: Simplify right side
    169.38x = 65,025
  5. Step 5: Solve for x
    x = 65,025/169.38
  6. Step 6: Final answer
    x = 383.91

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.