Home / 8,876-21,200

Finding the Third Proportional to 8,876 and 21,200

Calculator

Solution

The third proportional to 8,876 and 21,200 is: 50,635.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,876 : 21,200 = 21,200 : x
  2. Step 2: Convert to fraction form
    8,876/21,200 = 21,200/x
  3. Step 3: Cross multiply
    8,876x = 21,200 × 21,200
  4. Step 4: Simplify right side
    8,876x = 449,440,000
  5. Step 5: Solve for x
    x = 449,440,000/8,876
  6. Step 6: Final answer
    x = 50,635.42

Related Problems

Find third proportional to 4,438 and 10,600
Half scale
Find third proportional to 17,752 and 42,400
Double scale
Find third proportional to 8,878 and 21,205
Similar ratio
Find third proportional to 13,314 and 31,800
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.