Home / 20,216-41,729

Finding the Third Proportional to 20,216 and 41,729

Calculator

Solution

The third proportional to 20,216 and 41,729 is: 86,135.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,216 : 41,729 = 41,729 : x
  2. Step 2: Convert to fraction form
    20,216/41,729 = 41,729/x
  3. Step 3: Cross multiply
    20,216x = 41,729 × 41,729
  4. Step 4: Simplify right side
    20,216x = 1,741,309,441
  5. Step 5: Solve for x
    x = 1,741,309,441/20,216
  6. Step 6: Final answer
    x = 86,135.21

Related Problems

Find third proportional to 10,108 and 20,864.50
Half scale
Find third proportional to 40,432 and 83,458
Double scale
Find third proportional to 20,218 and 41,733
Similar ratio
Find third proportional to 30,324 and 62,593.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.06) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.