Home / 7,616-11,649

Finding the Third Proportional to 7,616 and 11,649

Calculator

Solution

The third proportional to 7,616 and 11,649 is: 17,817.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,616 : 11,649 = 11,649 : x
  2. Step 2: Convert to fraction form
    7,616/11,649 = 11,649/x
  3. Step 3: Cross multiply
    7,616x = 11,649 × 11,649
  4. Step 4: Simplify right side
    7,616x = 135,699,201
  5. Step 5: Solve for x
    x = 135,699,201/7,616
  6. Step 6: Final answer
    x = 17,817.65

Related Problems

Find third proportional to 3,808 and 5,824.50
Half scale
Find third proportional to 15,232 and 23,298
Double scale
Find third proportional to 7,618 and 11,652
Similar ratio
Find third proportional to 11,424 and 17,473.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.