Home / 18,284-40,372

Finding the Third Proportional to 18,284 and 40,372

Calculator

Solution

The third proportional to 18,284 and 40,372 is: 89,143.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,284 : 40,372 = 40,372 : x
  2. Step 2: Convert to fraction form
    18,284/40,372 = 40,372/x
  3. Step 3: Cross multiply
    18,284x = 40,372 × 40,372
  4. Step 4: Simplify right side
    18,284x = 1,629,898,384
  5. Step 5: Solve for x
    x = 1,629,898,384/18,284
  6. Step 6: Final answer
    x = 89,143.43

Related Problems

Find third proportional to 9,142 and 20,186
Half scale
Find third proportional to 36,568 and 80,744
Double scale
Find third proportional to 18,286 and 40,376
Similar ratio
Find third proportional to 27,426 and 60,558
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.21) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.