Home / 11,212-18,616

Finding the Third Proportional to 11,212 and 18,616

Calculator

Solution

The third proportional to 11,212 and 18,616 is: 30,909.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,212 : 18,616 = 18,616 : x
  2. Step 2: Convert to fraction form
    11,212/18,616 = 18,616/x
  3. Step 3: Cross multiply
    11,212x = 18,616 × 18,616
  4. Step 4: Simplify right side
    11,212x = 346,555,456
  5. Step 5: Solve for x
    x = 346,555,456/11,212
  6. Step 6: Final answer
    x = 30,909.33

Related Problems

Find third proportional to 5,606 and 9,308
Half scale
Find third proportional to 22,424 and 37,232
Double scale
Find third proportional to 11,214 and 18,619
Similar ratio
Find third proportional to 16,818 and 27,924
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.66) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.