Home / 13,936-21,857

Finding the Third Proportional to 13,936 and 21,857

Calculator

Solution

The third proportional to 13,936 and 21,857 is: 34,280.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,936 : 21,857 = 21,857 : x
  2. Step 2: Convert to fraction form
    13,936/21,857 = 21,857/x
  3. Step 3: Cross multiply
    13,936x = 21,857 × 21,857
  4. Step 4: Simplify right side
    13,936x = 477,728,449
  5. Step 5: Solve for x
    x = 477,728,449/13,936
  6. Step 6: Final answer
    x = 34,280.17

Related Problems

Find third proportional to 6,968 and 10,928.50
Half scale
Find third proportional to 27,872 and 43,714
Double scale
Find third proportional to 13,938 and 21,860
Similar ratio
Find third proportional to 20,904 and 32,785.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.