Home / 129,330-195,147

Finding the Third Proportional to 129,330 and 195,147

Calculator

Solution

The third proportional to 129,330 and 195,147 is: 294,458.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,330 : 195,147 = 195,147 : x
  2. Step 2: Convert to fraction form
    129,330/195,147 = 195,147/x
  3. Step 3: Cross multiply
    129,330x = 195,147 × 195,147
  4. Step 4: Simplify right side
    129,330x = 38,082,351,609
  5. Step 5: Solve for x
    x = 38,082,351,609/129,330
  6. Step 6: Final answer
    x = 294,458.76

Related Problems

Find third proportional to 64,665 and 97,573.50
Half scale
Find third proportional to 258,660 and 390,294
Double scale
Find third proportional to 129,332 and 195,150
Similar ratio
Find third proportional to 193,995 and 292,720.50
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.