Home / 15,008-19,912

Finding the Third Proportional to 15,008 and 19,912

Calculator

Solution

The third proportional to 15,008 and 19,912 is: 26,418.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,008 : 19,912 = 19,912 : x
  2. Step 2: Convert to fraction form
    15,008/19,912 = 19,912/x
  3. Step 3: Cross multiply
    15,008x = 19,912 × 19,912
  4. Step 4: Simplify right side
    15,008x = 396,487,744
  5. Step 5: Solve for x
    x = 396,487,744/15,008
  6. Step 6: Final answer
    x = 26,418.43

Related Problems

Find third proportional to 7,504 and 9,956
Half scale
Find third proportional to 30,016 and 39,824
Double scale
Find third proportional to 15,010 and 19,915
Similar ratio
Find third proportional to 22,512 and 29,868
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.