Home / 15,948-18,135

Finding the Third Proportional to 15,948 and 18,135

Calculator

Solution

The third proportional to 15,948 and 18,135 is: 20,621.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,948 : 18,135 = 18,135 : x
  2. Step 2: Convert to fraction form
    15,948/18,135 = 18,135/x
  3. Step 3: Cross multiply
    15,948x = 18,135 × 18,135
  4. Step 4: Simplify right side
    15,948x = 328,878,225
  5. Step 5: Solve for x
    x = 328,878,225/15,948
  6. Step 6: Final answer
    x = 20,621.91

Related Problems

Find third proportional to 7,974 and 9,067.50
Half scale
Find third proportional to 31,896 and 36,270
Double scale
Find third proportional to 15,950 and 18,137
Similar ratio
Find third proportional to 23,922 and 27,202.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.