Home / 11,328-18,208

Finding the Third Proportional to 11,328 and 18,208

Calculator

Solution

The third proportional to 11,328 and 18,208 is: 29,266.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,328 : 18,208 = 18,208 : x
  2. Step 2: Convert to fraction form
    11,328/18,208 = 18,208/x
  3. Step 3: Cross multiply
    11,328x = 18,208 × 18,208
  4. Step 4: Simplify right side
    11,328x = 331,531,264
  5. Step 5: Solve for x
    x = 331,531,264/11,328
  6. Step 6: Final answer
    x = 29,266.53

Related Problems

Find third proportional to 5,664 and 9,104
Half scale
Find third proportional to 22,656 and 36,416
Double scale
Find third proportional to 11,330 and 18,211
Similar ratio
Find third proportional to 16,992 and 27,312
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.