Home / 40,367-69,907

Finding the Third Proportional to 40,367 and 69,907

Calculator

Solution

The third proportional to 40,367 and 69,907 is: 121,063.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,367 : 69,907 = 69,907 : x
  2. Step 2: Convert to fraction form
    40,367/69,907 = 69,907/x
  3. Step 3: Cross multiply
    40,367x = 69,907 × 69,907
  4. Step 4: Simplify right side
    40,367x = 4,886,988,649
  5. Step 5: Solve for x
    x = 4,886,988,649/40,367
  6. Step 6: Final answer
    x = 121,063.95

Related Problems

Find third proportional to 20,183.50 and 34,953.50
Half scale
Find third proportional to 80,734 and 139,814
Double scale
Find third proportional to 40,369 and 69,910
Similar ratio
Find third proportional to 60,550.50 and 104,860.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.73) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.