Home / 18,472-40,636

Finding the Third Proportional to 18,472 and 40,636

Calculator

Solution

The third proportional to 18,472 and 40,636 is: 89,393.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,472 : 40,636 = 40,636 : x
  2. Step 2: Convert to fraction form
    18,472/40,636 = 40,636/x
  3. Step 3: Cross multiply
    18,472x = 40,636 × 40,636
  4. Step 4: Simplify right side
    18,472x = 1,651,284,496
  5. Step 5: Solve for x
    x = 1,651,284,496/18,472
  6. Step 6: Final answer
    x = 89,393.92

Related Problems

Find third proportional to 9,236 and 20,318
Half scale
Find third proportional to 36,944 and 81,272
Double scale
Find third proportional to 18,474 and 40,640
Similar ratio
Find third proportional to 27,708 and 60,954
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.