Home / 11,866-16,878

Finding the Third Proportional to 11,866 and 16,878

Calculator

Solution

The third proportional to 11,866 and 16,878 is: 24,006.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,866 : 16,878 = 16,878 : x
  2. Step 2: Convert to fraction form
    11,866/16,878 = 16,878/x
  3. Step 3: Cross multiply
    11,866x = 16,878 × 16,878
  4. Step 4: Simplify right side
    11,866x = 284,866,884
  5. Step 5: Solve for x
    x = 284,866,884/11,866
  6. Step 6: Final answer
    x = 24,006.98

Related Problems

Find third proportional to 5,933 and 8,439
Half scale
Find third proportional to 23,732 and 33,756
Double scale
Find third proportional to 11,868 and 16,881
Similar ratio
Find third proportional to 17,799 and 25,317
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.