Home / 8,206-12,629

Finding the Third Proportional to 8,206 and 12,629

Calculator

Solution

The third proportional to 8,206 and 12,629 is: 19,435.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,206 : 12,629 = 12,629 : x
  2. Step 2: Convert to fraction form
    8,206/12,629 = 12,629/x
  3. Step 3: Cross multiply
    8,206x = 12,629 × 12,629
  4. Step 4: Simplify right side
    8,206x = 159,491,641
  5. Step 5: Solve for x
    x = 159,491,641/8,206
  6. Step 6: Final answer
    x = 19,435.98

Related Problems

Find third proportional to 4,103 and 6,314.50
Half scale
Find third proportional to 16,412 and 25,258
Double scale
Find third proportional to 8,208 and 12,632
Similar ratio
Find third proportional to 12,309 and 18,943.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.