Home / 8,448-18,480

Finding the Third Proportional to 8,448 and 18,480

Calculator

Solution

The third proportional to 8,448 and 18,480 is: 40,425

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,448 : 18,480 = 18,480 : x
  2. Step 2: Convert to fraction form
    8,448/18,480 = 18,480/x
  3. Step 3: Cross multiply
    8,448x = 18,480 × 18,480
  4. Step 4: Simplify right side
    8,448x = 341,510,400
  5. Step 5: Solve for x
    x = 341,510,400/8,448
  6. Step 6: Final answer
    x = 40,425

Related Problems

Find third proportional to 4,224 and 9,240
Half scale
Find third proportional to 16,896 and 36,960
Double scale
Find third proportional to 8,450 and 18,484
Similar ratio
Find third proportional to 12,672 and 27,720
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.