Home / 129,008-195,459

Finding the Third Proportional to 129,008 and 195,459

Calculator

Solution

The third proportional to 129,008 and 195,459 is: 296,138.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,008 : 195,459 = 195,459 : x
  2. Step 2: Convert to fraction form
    129,008/195,459 = 195,459/x
  3. Step 3: Cross multiply
    129,008x = 195,459 × 195,459
  4. Step 4: Simplify right side
    129,008x = 38,204,220,681
  5. Step 5: Solve for x
    x = 38,204,220,681/129,008
  6. Step 6: Final answer
    x = 296,138.38

Related Problems

Find third proportional to 64,504 and 97,729.50
Half scale
Find third proportional to 258,016 and 390,918
Double scale
Find third proportional to 129,010 and 195,462
Similar ratio
Find third proportional to 193,512 and 293,188.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.