Home / 350-478

Finding the Third Proportional to 350 and 478

Calculator

Solution

The third proportional to 350 and 478 is: 652.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    350 : 478 = 478 : x
  2. Step 2: Convert to fraction form
    350/478 = 478/x
  3. Step 3: Cross multiply
    350x = 478 × 478
  4. Step 4: Simplify right side
    350x = 228,484
  5. Step 5: Solve for x
    x = 228,484/350
  6. Step 6: Final answer
    x = 652.81

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.