Home / 20,886-30,177

Finding the Third Proportional to 20,886 and 30,177

Calculator

Solution

The third proportional to 20,886 and 30,177 is: 43,601.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,886 : 30,177 = 30,177 : x
  2. Step 2: Convert to fraction form
    20,886/30,177 = 30,177/x
  3. Step 3: Cross multiply
    20,886x = 30,177 × 30,177
  4. Step 4: Simplify right side
    20,886x = 910,651,329
  5. Step 5: Solve for x
    x = 910,651,329/20,886
  6. Step 6: Final answer
    x = 43,601.04

Related Problems

Find third proportional to 10,443 and 15,088.50
Half scale
Find third proportional to 41,772 and 60,354
Double scale
Find third proportional to 20,888 and 30,180
Similar ratio
Find third proportional to 31,329 and 45,265.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.