Home / 7,738-11,107

Finding the Third Proportional to 7,738 and 11,107

Calculator

Solution

The third proportional to 7,738 and 11,107 is: 15,942.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,738 : 11,107 = 11,107 : x
  2. Step 2: Convert to fraction form
    7,738/11,107 = 11,107/x
  3. Step 3: Cross multiply
    7,738x = 11,107 × 11,107
  4. Step 4: Simplify right side
    7,738x = 123,365,449
  5. Step 5: Solve for x
    x = 123,365,449/7,738
  6. Step 6: Final answer
    x = 15,942.81

Related Problems

Find third proportional to 3,869 and 5,553.50
Half scale
Find third proportional to 15,476 and 22,214
Double scale
Find third proportional to 7,740 and 11,110
Similar ratio
Find third proportional to 11,607 and 16,660.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.