Home / 418-474

Finding the Third Proportional to 418 and 474

Calculator

Solution

The third proportional to 418 and 474 is: 537.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    418 : 474 = 474 : x
  2. Step 2: Convert to fraction form
    418/474 = 474/x
  3. Step 3: Cross multiply
    418x = 474 × 474
  4. Step 4: Simplify right side
    418x = 224,676
  5. Step 5: Solve for x
    x = 224,676/418
  6. Step 6: Final answer
    x = 537.50

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.