Home / 3,996-6,660

Finding the Third Proportional to 3,996 and 6,660

Calculator

Solution

The third proportional to 3,996 and 6,660 is: 11,100

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,996 : 6,660 = 6,660 : x
  2. Step 2: Convert to fraction form
    3,996/6,660 = 6,660/x
  3. Step 3: Cross multiply
    3,996x = 6,660 × 6,660
  4. Step 4: Simplify right side
    3,996x = 44,355,600
  5. Step 5: Solve for x
    x = 44,355,600/3,996
  6. Step 6: Final answer
    x = 11,100

Related Problems

Find third proportional to 1,998 and 3,330
Half scale
Find third proportional to 7,992 and 13,320
Double scale
Find third proportional to 3,998 and 6,663
Similar ratio
Find third proportional to 5,994 and 9,990
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.67) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.