Home / 8,812-12,975

Finding the Third Proportional to 8,812 and 12,975

Calculator

Solution

The third proportional to 8,812 and 12,975 is: 19,104.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,812 : 12,975 = 12,975 : x
  2. Step 2: Convert to fraction form
    8,812/12,975 = 12,975/x
  3. Step 3: Cross multiply
    8,812x = 12,975 × 12,975
  4. Step 4: Simplify right side
    8,812x = 168,350,625
  5. Step 5: Solve for x
    x = 168,350,625/8,812
  6. Step 6: Final answer
    x = 19,104.70

Related Problems

Find third proportional to 4,406 and 6,487.50
Half scale
Find third proportional to 17,624 and 25,950
Double scale
Find third proportional to 8,814 and 12,978
Similar ratio
Find third proportional to 13,218 and 19,462.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.