Home / 18,360-40,192

Finding the Third Proportional to 18,360 and 40,192

Calculator

Solution

The third proportional to 18,360 and 40,192 is: 87,984.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,360 : 40,192 = 40,192 : x
  2. Step 2: Convert to fraction form
    18,360/40,192 = 40,192/x
  3. Step 3: Cross multiply
    18,360x = 40,192 × 40,192
  4. Step 4: Simplify right side
    18,360x = 1,615,396,864
  5. Step 5: Solve for x
    x = 1,615,396,864/18,360
  6. Step 6: Final answer
    x = 87,984.58

Related Problems

Find third proportional to 9,180 and 20,096
Half scale
Find third proportional to 36,720 and 80,384
Double scale
Find third proportional to 18,362 and 40,196
Similar ratio
Find third proportional to 27,540 and 60,288
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.