Home / 210-229

Finding the Third Proportional to 210 and 229

Calculator

Solution

The third proportional to 210 and 229 is: 249.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    210 : 229 = 229 : x
  2. Step 2: Convert to fraction form
    210/229 = 229/x
  3. Step 3: Cross multiply
    210x = 229 × 229
  4. Step 4: Simplify right side
    210x = 52,441
  5. Step 5: Solve for x
    x = 52,441/210
  6. Step 6: Final answer
    x = 249.72

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.