Home / 21,450-32,987

Finding the Third Proportional to 21,450 and 32,987

Calculator

Solution

The third proportional to 21,450 and 32,987 is: 50,729.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,450 : 32,987 = 32,987 : x
  2. Step 2: Convert to fraction form
    21,450/32,987 = 32,987/x
  3. Step 3: Cross multiply
    21,450x = 32,987 × 32,987
  4. Step 4: Simplify right side
    21,450x = 1,088,142,169
  5. Step 5: Solve for x
    x = 1,088,142,169/21,450
  6. Step 6: Final answer
    x = 50,729.24

Related Problems

Find third proportional to 10,725 and 16,493.50
Half scale
Find third proportional to 42,900 and 65,974
Double scale
Find third proportional to 21,452 and 32,990
Similar ratio
Find third proportional to 32,175 and 49,480.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.