Home / 5,368-8,211

Finding the Third Proportional to 5,368 and 8,211

Calculator

Solution

The third proportional to 5,368 and 8,211 is: 12,559.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,368 : 8,211 = 8,211 : x
  2. Step 2: Convert to fraction form
    5,368/8,211 = 8,211/x
  3. Step 3: Cross multiply
    5,368x = 8,211 × 8,211
  4. Step 4: Simplify right side
    5,368x = 67,420,521
  5. Step 5: Solve for x
    x = 67,420,521/5,368
  6. Step 6: Final answer
    x = 12,559.71

Related Problems

Find third proportional to 2,684 and 4,105.50
Half scale
Find third proportional to 10,736 and 16,422
Double scale
Find third proportional to 5,370 and 8,214
Similar ratio
Find third proportional to 8,052 and 12,316.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.