Home / 19,889-43,918

Finding the Third Proportional to 19,889 and 43,918

Calculator

Solution

The third proportional to 19,889 and 43,918 is: 96,977.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,889 : 43,918 = 43,918 : x
  2. Step 2: Convert to fraction form
    19,889/43,918 = 43,918/x
  3. Step 3: Cross multiply
    19,889x = 43,918 × 43,918
  4. Step 4: Simplify right side
    19,889x = 1,928,790,724
  5. Step 5: Solve for x
    x = 1,928,790,724/19,889
  6. Step 6: Final answer
    x = 96,977.76

Related Problems

Find third proportional to 9,944.50 and 21,959
Half scale
Find third proportional to 39,778 and 87,836
Double scale
Find third proportional to 19,891 and 43,922
Similar ratio
Find third proportional to 29,833.50 and 65,877
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.21) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.