Home / 20,902-32,378

Finding the Third Proportional to 20,902 and 32,378

Calculator

Solution

The third proportional to 20,902 and 32,378 is: 50,154.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,902 : 32,378 = 32,378 : x
  2. Step 2: Convert to fraction form
    20,902/32,378 = 32,378/x
  3. Step 3: Cross multiply
    20,902x = 32,378 × 32,378
  4. Step 4: Simplify right side
    20,902x = 1,048,334,884
  5. Step 5: Solve for x
    x = 1,048,334,884/20,902
  6. Step 6: Final answer
    x = 50,154.76

Related Problems

Find third proportional to 10,451 and 16,189
Half scale
Find third proportional to 41,804 and 64,756
Double scale
Find third proportional to 20,904 and 32,381
Similar ratio
Find third proportional to 31,353 and 48,567
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.