Home / 8,829-11,991

Finding the Third Proportional to 8,829 and 11,991

Calculator

Solution

The third proportional to 8,829 and 11,991 is: 16,285.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,829 : 11,991 = 11,991 : x
  2. Step 2: Convert to fraction form
    8,829/11,991 = 11,991/x
  3. Step 3: Cross multiply
    8,829x = 11,991 × 11,991
  4. Step 4: Simplify right side
    8,829x = 143,784,081
  5. Step 5: Solve for x
    x = 143,784,081/8,829
  6. Step 6: Final answer
    x = 16,285.43

Related Problems

Find third proportional to 4,414.50 and 5,995.50
Half scale
Find third proportional to 17,658 and 23,982
Double scale
Find third proportional to 8,831 and 11,994
Similar ratio
Find third proportional to 13,243.50 and 17,986.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.