Home / 18,517-30,081

Finding the Third Proportional to 18,517 and 30,081

Calculator

Solution

The third proportional to 18,517 and 30,081 is: 48,866.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,517 : 30,081 = 30,081 : x
  2. Step 2: Convert to fraction form
    18,517/30,081 = 30,081/x
  3. Step 3: Cross multiply
    18,517x = 30,081 × 30,081
  4. Step 4: Simplify right side
    18,517x = 904,866,561
  5. Step 5: Solve for x
    x = 904,866,561/18,517
  6. Step 6: Final answer
    x = 48,866.80

Related Problems

Find third proportional to 9,258.50 and 15,040.50
Half scale
Find third proportional to 37,034 and 60,162
Double scale
Find third proportional to 18,519 and 30,084
Similar ratio
Find third proportional to 27,775.50 and 45,121.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.62) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.