Home / 20,218-41,408

Finding the Third Proportional to 20,218 and 41,408

Calculator

Solution

The third proportional to 20,218 and 41,408 is: 84,806.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,218 : 41,408 = 41,408 : x
  2. Step 2: Convert to fraction form
    20,218/41,408 = 41,408/x
  3. Step 3: Cross multiply
    20,218x = 41,408 × 41,408
  4. Step 4: Simplify right side
    20,218x = 1,714,622,464
  5. Step 5: Solve for x
    x = 1,714,622,464/20,218
  6. Step 6: Final answer
    x = 84,806.73

Related Problems

Find third proportional to 10,109 and 20,704
Half scale
Find third proportional to 40,436 and 82,816
Double scale
Find third proportional to 20,220 and 41,412
Similar ratio
Find third proportional to 30,327 and 62,112
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.