Home / 61,939-135,908

Finding the Third Proportional to 61,939 and 135,908

Calculator

Solution

The third proportional to 61,939 and 135,908 is: 298,212.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,939 : 135,908 = 135,908 : x
  2. Step 2: Convert to fraction form
    61,939/135,908 = 135,908/x
  3. Step 3: Cross multiply
    61,939x = 135,908 × 135,908
  4. Step 4: Simplify right side
    61,939x = 18,470,984,464
  5. Step 5: Solve for x
    x = 18,470,984,464/61,939
  6. Step 6: Final answer
    x = 298,212.51

Related Problems

Find third proportional to 30,969.50 and 67,954
Half scale
Find third proportional to 123,878 and 271,816
Double scale
Find third proportional to 61,941 and 135,912
Similar ratio
Find third proportional to 92,908.50 and 203,862
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.