Home / 322-330

Finding the Third Proportional to 322 and 330

Calculator

Solution

The third proportional to 322 and 330 is: 338.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    322 : 330 = 330 : x
  2. Step 2: Convert to fraction form
    322/330 = 330/x
  3. Step 3: Cross multiply
    322x = 330 × 330
  4. Step 4: Simplify right side
    322x = 108,900
  5. Step 5: Solve for x
    x = 108,900/322
  6. Step 6: Final answer
    x = 338.20

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.02) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.