Home / 3,831-8,310

Finding the Third Proportional to 3,831 and 8,310

Calculator

Solution

The third proportional to 3,831 and 8,310 is: 18,025.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,831 : 8,310 = 8,310 : x
  2. Step 2: Convert to fraction form
    3,831/8,310 = 8,310/x
  3. Step 3: Cross multiply
    3,831x = 8,310 × 8,310
  4. Step 4: Simplify right side
    3,831x = 69,056,100
  5. Step 5: Solve for x
    x = 69,056,100/3,831
  6. Step 6: Final answer
    x = 18,025.61

Related Problems

Find third proportional to 1,915.50 and 4,155
Half scale
Find third proportional to 7,662 and 16,620
Double scale
Find third proportional to 3,833 and 8,314
Similar ratio
Find third proportional to 5,746.50 and 12,465
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.