Home / 18,378-40,014

Finding the Third Proportional to 18,378 and 40,014

Calculator

Solution

The third proportional to 18,378 and 40,014 is: 87,121.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,378 : 40,014 = 40,014 : x
  2. Step 2: Convert to fraction form
    18,378/40,014 = 40,014/x
  3. Step 3: Cross multiply
    18,378x = 40,014 × 40,014
  4. Step 4: Simplify right side
    18,378x = 1,601,120,196
  5. Step 5: Solve for x
    x = 1,601,120,196/18,378
  6. Step 6: Final answer
    x = 87,121.57

Related Problems

Find third proportional to 9,189 and 20,007
Half scale
Find third proportional to 36,756 and 80,028
Double scale
Find third proportional to 18,380 and 40,018
Similar ratio
Find third proportional to 27,567 and 60,021
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.