Home / 18,414-40,144

Finding the Third Proportional to 18,414 and 40,144

Calculator

Solution

The third proportional to 18,414 and 40,144 is: 87,517.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,414 : 40,144 = 40,144 : x
  2. Step 2: Convert to fraction form
    18,414/40,144 = 40,144/x
  3. Step 3: Cross multiply
    18,414x = 40,144 × 40,144
  4. Step 4: Simplify right side
    18,414x = 1,611,540,736
  5. Step 5: Solve for x
    x = 1,611,540,736/18,414
  6. Step 6: Final answer
    x = 87,517.15

Related Problems

Find third proportional to 9,207 and 20,072
Half scale
Find third proportional to 36,828 and 80,288
Double scale
Find third proportional to 18,416 and 40,148
Similar ratio
Find third proportional to 27,621 and 60,216
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.