Home / 61,938-135,686

Finding the Third Proportional to 61,938 and 135,686

Calculator

Solution

The third proportional to 61,938 and 135,686 is: 297,243.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,938 : 135,686 = 135,686 : x
  2. Step 2: Convert to fraction form
    61,938/135,686 = 135,686/x
  3. Step 3: Cross multiply
    61,938x = 135,686 × 135,686
  4. Step 4: Simplify right side
    61,938x = 18,410,690,596
  5. Step 5: Solve for x
    x = 18,410,690,596/61,938
  6. Step 6: Final answer
    x = 297,243.87

Related Problems

Find third proportional to 30,969 and 67,843
Half scale
Find third proportional to 123,876 and 271,372
Double scale
Find third proportional to 61,940 and 135,690
Similar ratio
Find third proportional to 92,907 and 203,529
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.