Home / 3,858-8,448

Finding the Third Proportional to 3,858 and 8,448

Calculator

Solution

The third proportional to 3,858 and 8,448 is: 18,498.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,858 : 8,448 = 8,448 : x
  2. Step 2: Convert to fraction form
    3,858/8,448 = 8,448/x
  3. Step 3: Cross multiply
    3,858x = 8,448 × 8,448
  4. Step 4: Simplify right side
    3,858x = 71,368,704
  5. Step 5: Solve for x
    x = 71,368,704/3,858
  6. Step 6: Final answer
    x = 18,498.89

Related Problems

Find third proportional to 1,929 and 4,224
Half scale
Find third proportional to 7,716 and 16,896
Double scale
Find third proportional to 3,860 and 8,452
Similar ratio
Find third proportional to 5,787 and 12,672
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.