Home / 11,216-18,018

Finding the Third Proportional to 11,216 and 18,018

Calculator

Solution

The third proportional to 11,216 and 18,018 is: 28,945.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,216 : 18,018 = 18,018 : x
  2. Step 2: Convert to fraction form
    11,216/18,018 = 18,018/x
  3. Step 3: Cross multiply
    11,216x = 18,018 × 18,018
  4. Step 4: Simplify right side
    11,216x = 324,648,324
  5. Step 5: Solve for x
    x = 324,648,324/11,216
  6. Step 6: Final answer
    x = 28,945.11

Related Problems

Find third proportional to 5,608 and 9,009
Half scale
Find third proportional to 22,432 and 36,036
Double scale
Find third proportional to 11,218 and 18,021
Similar ratio
Find third proportional to 16,824 and 27,027
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.