Home / 35,187-81,378

Finding the Third Proportional to 35,187 and 81,378

Calculator

Solution

The third proportional to 35,187 and 81,378 is: 188,205.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,187 : 81,378 = 81,378 : x
  2. Step 2: Convert to fraction form
    35,187/81,378 = 81,378/x
  3. Step 3: Cross multiply
    35,187x = 81,378 × 81,378
  4. Step 4: Simplify right side
    35,187x = 6,622,378,884
  5. Step 5: Solve for x
    x = 6,622,378,884/35,187
  6. Step 6: Final answer
    x = 188,205.27

Related Problems

Find third proportional to 17,593.50 and 40,689
Half scale
Find third proportional to 70,374 and 162,756
Double scale
Find third proportional to 35,189 and 81,383
Similar ratio
Find third proportional to 52,780.50 and 122,067
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.