Home / 196.25-423.11

Finding the Third Proportional to 196.25 and 423.11

Calculator

Solution

The third proportional to 196.25 and 423.11 is: 912.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    196.25 : 423.11 = 423.11 : x
  2. Step 2: Convert to fraction form
    196.25/423.11 = 423.11/x
  3. Step 3: Cross multiply
    196.25x = 423.11 × 423.11
  4. Step 4: Simplify right side
    196.25x = 179,025.68
  5. Step 5: Solve for x
    x = 179,025.68/196.25
  6. Step 6: Final answer
    x = 912.23

Related Problems

Find third proportional to 98.13 and 211.56
Half scale
Find third proportional to 392.50 and 846.23
Double scale
Find third proportional to 198 and 427
Similar ratio
Find third proportional to 294.38 and 634.67
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.