Home / 18,988-40,162

Finding the Third Proportional to 18,988 and 40,162

Calculator

Solution

The third proportional to 18,988 and 40,162 is: 84,947.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,988 : 40,162 = 40,162 : x
  2. Step 2: Convert to fraction form
    18,988/40,162 = 40,162/x
  3. Step 3: Cross multiply
    18,988x = 40,162 × 40,162
  4. Step 4: Simplify right side
    18,988x = 1,612,986,244
  5. Step 5: Solve for x
    x = 1,612,986,244/18,988
  6. Step 6: Final answer
    x = 84,947.66

Related Problems

Find third proportional to 9,494 and 20,081
Half scale
Find third proportional to 37,976 and 80,324
Double scale
Find third proportional to 18,990 and 40,166
Similar ratio
Find third proportional to 28,482 and 60,243
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.