Home / 342-434

Finding the Third Proportional to 342 and 434

Calculator

Solution

The third proportional to 342 and 434 is: 550.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    342 : 434 = 434 : x
  2. Step 2: Convert to fraction form
    342/434 = 434/x
  3. Step 3: Cross multiply
    342x = 434 × 434
  4. Step 4: Simplify right side
    342x = 188,356
  5. Step 5: Solve for x
    x = 188,356/342
  6. Step 6: Final answer
    x = 550.75

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.27) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.