Home / 11,872-18,984

Finding the Third Proportional to 11,872 and 18,984

Calculator

Solution

The third proportional to 11,872 and 18,984 is: 30,356.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,872 : 18,984 = 18,984 : x
  2. Step 2: Convert to fraction form
    11,872/18,984 = 18,984/x
  3. Step 3: Cross multiply
    11,872x = 18,984 × 18,984
  4. Step 4: Simplify right side
    11,872x = 360,392,256
  5. Step 5: Solve for x
    x = 360,392,256/11,872
  6. Step 6: Final answer
    x = 30,356.49

Related Problems

Find third proportional to 5,936 and 9,492
Half scale
Find third proportional to 23,744 and 37,968
Double scale
Find third proportional to 11,874 and 18,987
Similar ratio
Find third proportional to 17,808 and 28,476
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.60) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.