Home / 6,156-12,879

Finding the Third Proportional to 6,156 and 12,879

Calculator

Solution

The third proportional to 6,156 and 12,879 is: 26,944.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,156 : 12,879 = 12,879 : x
  2. Step 2: Convert to fraction form
    6,156/12,879 = 12,879/x
  3. Step 3: Cross multiply
    6,156x = 12,879 × 12,879
  4. Step 4: Simplify right side
    6,156x = 165,868,641
  5. Step 5: Solve for x
    x = 165,868,641/6,156
  6. Step 6: Final answer
    x = 26,944.22

Related Problems

Find third proportional to 3,078 and 6,439.50
Half scale
Find third proportional to 12,312 and 25,758
Double scale
Find third proportional to 6,158 and 12,883
Similar ratio
Find third proportional to 9,234 and 19,318.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.