Home / 227.25-342.28

Finding the Third Proportional to 227.25 and 342.28

Calculator

Solution

The third proportional to 227.25 and 342.28 is: 515.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    227.25 : 342.28 = 342.28 : x
  2. Step 2: Convert to fraction form
    227.25/342.28 = 342.28/x
  3. Step 3: Cross multiply
    227.25x = 342.28 × 342.28
  4. Step 4: Simplify right side
    227.25x = 117,156.45
  5. Step 5: Solve for x
    x = 117,156.45/227.25
  6. Step 6: Final answer
    x = 515.54

Related Problems

Find third proportional to 113.63 and 171.14
Half scale
Find third proportional to 454.50 and 684.56
Double scale
Find third proportional to 229 and 345
Similar ratio
Find third proportional to 340.88 and 513.42
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.