Home / 6,876-18,144

Finding the Third Proportional to 6,876 and 18,144

Calculator

Solution

The third proportional to 6,876 and 18,144 is: 47,877.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,876 : 18,144 = 18,144 : x
  2. Step 2: Convert to fraction form
    6,876/18,144 = 18,144/x
  3. Step 3: Cross multiply
    6,876x = 18,144 × 18,144
  4. Step 4: Simplify right side
    6,876x = 329,204,736
  5. Step 5: Solve for x
    x = 329,204,736/6,876
  6. Step 6: Final answer
    x = 47,877.36

Related Problems

Find third proportional to 3,438 and 9,072
Half scale
Find third proportional to 13,752 and 36,288
Double scale
Find third proportional to 6,878 and 18,149
Similar ratio
Find third proportional to 10,314 and 27,216
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.64) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.