Home / 222.28-486.38

Finding the Third Proportional to 222.28 and 486.38

Calculator

Solution

The third proportional to 222.28 and 486.38 is: 1,064.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    222.28 : 486.38 = 486.38 : x
  2. Step 2: Convert to fraction form
    222.28/486.38 = 486.38/x
  3. Step 3: Cross multiply
    222.28x = 486.38 × 486.38
  4. Step 4: Simplify right side
    222.28x = 236,560.64
  5. Step 5: Solve for x
    x = 236,560.64/222.28
  6. Step 6: Final answer
    x = 1,064.24

Related Problems

Find third proportional to 111.14 and 243.19
Half scale
Find third proportional to 444.56 and 972.75
Double scale
Find third proportional to 224 and 491
Similar ratio
Find third proportional to 333.42 and 729.56
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.