Home / 18,790-26,431

Finding the Third Proportional to 18,790 and 26,431

Calculator

Solution

The third proportional to 18,790 and 26,431 is: 37,179.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,790 : 26,431 = 26,431 : x
  2. Step 2: Convert to fraction form
    18,790/26,431 = 26,431/x
  3. Step 3: Cross multiply
    18,790x = 26,431 × 26,431
  4. Step 4: Simplify right side
    18,790x = 698,597,761
  5. Step 5: Solve for x
    x = 698,597,761/18,790
  6. Step 6: Final answer
    x = 37,179.23

Related Problems

Find third proportional to 9,395 and 13,215.50
Half scale
Find third proportional to 37,580 and 52,862
Double scale
Find third proportional to 18,792 and 26,434
Similar ratio
Find third proportional to 28,185 and 39,646.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.