Home / 18,756-39,936

Finding the Third Proportional to 18,756 and 39,936

Calculator

Solution

The third proportional to 18,756 and 39,936 is: 85,033.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,756 : 39,936 = 39,936 : x
  2. Step 2: Convert to fraction form
    18,756/39,936 = 39,936/x
  3. Step 3: Cross multiply
    18,756x = 39,936 × 39,936
  4. Step 4: Simplify right side
    18,756x = 1,594,884,096
  5. Step 5: Solve for x
    x = 1,594,884,096/18,756
  6. Step 6: Final answer
    x = 85,033.27

Related Problems

Find third proportional to 9,378 and 19,968
Half scale
Find third proportional to 37,512 and 79,872
Double scale
Find third proportional to 18,758 and 39,940
Similar ratio
Find third proportional to 28,134 and 59,904
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.