Home / 8,812-12,102

Finding the Third Proportional to 8,812 and 12,102

Calculator

Solution

The third proportional to 8,812 and 12,102 is: 16,620.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,812 : 12,102 = 12,102 : x
  2. Step 2: Convert to fraction form
    8,812/12,102 = 12,102/x
  3. Step 3: Cross multiply
    8,812x = 12,102 × 12,102
  4. Step 4: Simplify right side
    8,812x = 146,458,404
  5. Step 5: Solve for x
    x = 146,458,404/8,812
  6. Step 6: Final answer
    x = 16,620.34

Related Problems

Find third proportional to 4,406 and 6,051
Half scale
Find third proportional to 17,624 and 24,204
Double scale
Find third proportional to 8,814 and 12,105
Similar ratio
Find third proportional to 13,218 and 18,153
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.