Home / 8,122-15,218

Finding the Third Proportional to 8,122 and 15,218

Calculator

Solution

The third proportional to 8,122 and 15,218 is: 28,513.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,122 : 15,218 = 15,218 : x
  2. Step 2: Convert to fraction form
    8,122/15,218 = 15,218/x
  3. Step 3: Cross multiply
    8,122x = 15,218 × 15,218
  4. Step 4: Simplify right side
    8,122x = 231,587,524
  5. Step 5: Solve for x
    x = 231,587,524/8,122
  6. Step 6: Final answer
    x = 28,513.61

Related Problems

Find third proportional to 4,061 and 7,609
Half scale
Find third proportional to 16,244 and 30,436
Double scale
Find third proportional to 8,124 and 15,222
Similar ratio
Find third proportional to 12,183 and 22,827
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.87) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.