Home / 13,528-18,020

Finding the Third Proportional to 13,528 and 18,020

Calculator

Solution

The third proportional to 13,528 and 18,020 is: 24,003.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,528 : 18,020 = 18,020 : x
  2. Step 2: Convert to fraction form
    13,528/18,020 = 18,020/x
  3. Step 3: Cross multiply
    13,528x = 18,020 × 18,020
  4. Step 4: Simplify right side
    13,528x = 324,720,400
  5. Step 5: Solve for x
    x = 324,720,400/13,528
  6. Step 6: Final answer
    x = 24,003.58

Related Problems

Find third proportional to 6,764 and 9,010
Half scale
Find third proportional to 27,056 and 36,040
Double scale
Find third proportional to 13,530 and 18,023
Similar ratio
Find third proportional to 20,292 and 27,030
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.