Home / 8,156-12,668

Finding the Third Proportional to 8,156 and 12,668

Calculator

Solution

The third proportional to 8,156 and 12,668 is: 19,676.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,156 : 12,668 = 12,668 : x
  2. Step 2: Convert to fraction form
    8,156/12,668 = 12,668/x
  3. Step 3: Cross multiply
    8,156x = 12,668 × 12,668
  4. Step 4: Simplify right side
    8,156x = 160,478,224
  5. Step 5: Solve for x
    x = 160,478,224/8,156
  6. Step 6: Final answer
    x = 19,676.09

Related Problems

Find third proportional to 4,078 and 6,334
Half scale
Find third proportional to 16,312 and 25,336
Double scale
Find third proportional to 8,158 and 12,671
Similar ratio
Find third proportional to 12,234 and 19,002
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.