Home / 20,412-43,236

Finding the Third Proportional to 20,412 and 43,236

Calculator

Solution

The third proportional to 20,412 and 43,236 is: 91,581.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,412 : 43,236 = 43,236 : x
  2. Step 2: Convert to fraction form
    20,412/43,236 = 43,236/x
  3. Step 3: Cross multiply
    20,412x = 43,236 × 43,236
  4. Step 4: Simplify right side
    20,412x = 1,869,351,696
  5. Step 5: Solve for x
    x = 1,869,351,696/20,412
  6. Step 6: Final answer
    x = 91,581.02

Related Problems

Find third proportional to 10,206 and 21,618
Half scale
Find third proportional to 40,824 and 86,472
Double scale
Find third proportional to 20,414 and 43,240
Similar ratio
Find third proportional to 30,618 and 64,854
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.