Home / 7,039-11,145

Finding the Third Proportional to 7,039 and 11,145

Calculator

Solution

The third proportional to 7,039 and 11,145 is: 17,646.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,039 : 11,145 = 11,145 : x
  2. Step 2: Convert to fraction form
    7,039/11,145 = 11,145/x
  3. Step 3: Cross multiply
    7,039x = 11,145 × 11,145
  4. Step 4: Simplify right side
    7,039x = 124,211,025
  5. Step 5: Solve for x
    x = 124,211,025/7,039
  6. Step 6: Final answer
    x = 17,646.12

Related Problems

Find third proportional to 3,519.50 and 5,572.50
Half scale
Find third proportional to 14,078 and 22,290
Double scale
Find third proportional to 7,041 and 11,148
Similar ratio
Find third proportional to 10,558.50 and 16,717.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.