Home / 18,328-40,040

Finding the Third Proportional to 18,328 and 40,040

Calculator

Solution

The third proportional to 18,328 and 40,040 is: 87,472.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,328 : 40,040 = 40,040 : x
  2. Step 2: Convert to fraction form
    18,328/40,040 = 40,040/x
  3. Step 3: Cross multiply
    18,328x = 40,040 × 40,040
  4. Step 4: Simplify right side
    18,328x = 1,603,201,600
  5. Step 5: Solve for x
    x = 1,603,201,600/18,328
  6. Step 6: Final answer
    x = 87,472.81

Related Problems

Find third proportional to 9,164 and 20,020
Half scale
Find third proportional to 36,656 and 80,080
Double scale
Find third proportional to 18,330 and 40,044
Similar ratio
Find third proportional to 27,492 and 60,060
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.