Home / 7,578-11,119

Finding the Third Proportional to 7,578 and 11,119

Calculator

Solution

The third proportional to 7,578 and 11,119 is: 16,314.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,578 : 11,119 = 11,119 : x
  2. Step 2: Convert to fraction form
    7,578/11,119 = 11,119/x
  3. Step 3: Cross multiply
    7,578x = 11,119 × 11,119
  4. Step 4: Simplify right side
    7,578x = 123,632,161
  5. Step 5: Solve for x
    x = 123,632,161/7,578
  6. Step 6: Final answer
    x = 16,314.62

Related Problems

Find third proportional to 3,789 and 5,559.50
Half scale
Find third proportional to 15,156 and 22,238
Double scale
Find third proportional to 7,580 and 11,122
Similar ratio
Find third proportional to 11,367 and 16,678.50
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.