Home / 37,422-81,878

Finding the Third Proportional to 37,422 and 81,878

Calculator

Solution

The third proportional to 37,422 and 81,878 is: 179,146.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,422 : 81,878 = 81,878 : x
  2. Step 2: Convert to fraction form
    37,422/81,878 = 81,878/x
  3. Step 3: Cross multiply
    37,422x = 81,878 × 81,878
  4. Step 4: Simplify right side
    37,422x = 6,704,006,884
  5. Step 5: Solve for x
    x = 6,704,006,884/37,422
  6. Step 6: Final answer
    x = 179,146.14

Related Problems

Find third proportional to 18,711 and 40,939
Half scale
Find third proportional to 74,844 and 163,756
Double scale
Find third proportional to 37,424 and 81,882
Similar ratio
Find third proportional to 56,133 and 122,817
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.