Home / 9,278-19,874

Finding the Third Proportional to 9,278 and 19,874

Calculator

Solution

The third proportional to 9,278 and 19,874 is: 42,571.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,278 : 19,874 = 19,874 : x
  2. Step 2: Convert to fraction form
    9,278/19,874 = 19,874/x
  3. Step 3: Cross multiply
    9,278x = 19,874 × 19,874
  4. Step 4: Simplify right side
    9,278x = 394,975,876
  5. Step 5: Solve for x
    x = 394,975,876/9,278
  6. Step 6: Final answer
    x = 42,571.23

Related Problems

Find third proportional to 4,639 and 9,937
Half scale
Find third proportional to 18,556 and 39,748
Double scale
Find third proportional to 9,280 and 19,878
Similar ratio
Find third proportional to 13,917 and 29,811
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.