Home / 40,191-81,477

Finding the Third Proportional to 40,191 and 81,477

Calculator

Solution

The third proportional to 40,191 and 81,477 is: 165,173.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,191 : 81,477 = 81,477 : x
  2. Step 2: Convert to fraction form
    40,191/81,477 = 81,477/x
  3. Step 3: Cross multiply
    40,191x = 81,477 × 81,477
  4. Step 4: Simplify right side
    40,191x = 6,638,501,529
  5. Step 5: Solve for x
    x = 6,638,501,529/40,191
  6. Step 6: Final answer
    x = 165,173.83

Related Problems

Find third proportional to 20,095.50 and 40,738.50
Half scale
Find third proportional to 80,382 and 162,954
Double scale
Find third proportional to 40,193 and 81,481
Similar ratio
Find third proportional to 60,286.50 and 122,215.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.