Home / 12,311-26,879

Finding the Third Proportional to 12,311 and 26,879

Calculator

Solution

The third proportional to 12,311 and 26,879 is: 58,685.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,311 : 26,879 = 26,879 : x
  2. Step 2: Convert to fraction form
    12,311/26,879 = 26,879/x
  3. Step 3: Cross multiply
    12,311x = 26,879 × 26,879
  4. Step 4: Simplify right side
    12,311x = 722,480,641
  5. Step 5: Solve for x
    x = 722,480,641/12,311
  6. Step 6: Final answer
    x = 58,685.78

Related Problems

Find third proportional to 6,155.50 and 13,439.50
Half scale
Find third proportional to 24,622 and 53,758
Double scale
Find third proportional to 12,313 and 26,883
Similar ratio
Find third proportional to 18,466.50 and 40,318.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.