Home / 129,916-195,728

Finding the Third Proportional to 129,916 and 195,728

Calculator

Solution

The third proportional to 129,916 and 195,728 is: 294,878.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,916 : 195,728 = 195,728 : x
  2. Step 2: Convert to fraction form
    129,916/195,728 = 195,728/x
  3. Step 3: Cross multiply
    129,916x = 195,728 × 195,728
  4. Step 4: Simplify right side
    129,916x = 38,309,449,984
  5. Step 5: Solve for x
    x = 38,309,449,984/129,916
  6. Step 6: Final answer
    x = 294,878.61

Related Problems

Find third proportional to 64,958 and 97,864
Half scale
Find third proportional to 259,832 and 391,456
Double scale
Find third proportional to 129,918 and 195,731
Similar ratio
Find third proportional to 194,874 and 293,592
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.