Home / 281.44-396.19

Finding the Third Proportional to 281.44 and 396.19

Calculator

Solution

The third proportional to 281.44 and 396.19 is: 557.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    281.44 : 396.19 = 396.19 : x
  2. Step 2: Convert to fraction form
    281.44/396.19 = 396.19/x
  3. Step 3: Cross multiply
    281.44x = 396.19 × 396.19
  4. Step 4: Simplify right side
    281.44x = 156,964.54
  5. Step 5: Solve for x
    x = 156,964.54/281.44
  6. Step 6: Final answer
    x = 557.72

Related Problems

Find third proportional to 140.72 and 198.09
Half scale
Find third proportional to 562.88 and 792.38
Double scale
Find third proportional to 283 and 399
Similar ratio
Find third proportional to 422.16 and 594.28
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.