Home / 5,216-8,080

Finding the Third Proportional to 5,216 and 8,080

Calculator

Solution

The third proportional to 5,216 and 8,080 is: 12,516.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,216 : 8,080 = 8,080 : x
  2. Step 2: Convert to fraction form
    5,216/8,080 = 8,080/x
  3. Step 3: Cross multiply
    5,216x = 8,080 × 8,080
  4. Step 4: Simplify right side
    5,216x = 65,286,400
  5. Step 5: Solve for x
    x = 65,286,400/5,216
  6. Step 6: Final answer
    x = 12,516.56

Related Problems

Find third proportional to 2,608 and 4,040
Half scale
Find third proportional to 10,432 and 16,160
Double scale
Find third proportional to 5,218 and 8,083
Similar ratio
Find third proportional to 7,824 and 12,120
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.