Home / 8,265-18,015

Finding the Third Proportional to 8,265 and 18,015

Calculator

Solution

The third proportional to 8,265 and 18,015 is: 39,266.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,265 : 18,015 = 18,015 : x
  2. Step 2: Convert to fraction form
    8,265/18,015 = 18,015/x
  3. Step 3: Cross multiply
    8,265x = 18,015 × 18,015
  4. Step 4: Simplify right side
    8,265x = 324,540,225
  5. Step 5: Solve for x
    x = 324,540,225/8,265
  6. Step 6: Final answer
    x = 39,266.81

Related Problems

Find third proportional to 4,132.50 and 9,007.50
Half scale
Find third proportional to 16,530 and 36,030
Double scale
Find third proportional to 8,267 and 18,019
Similar ratio
Find third proportional to 12,397.50 and 27,022.50
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.