Home / 6,630-11,712

Finding the Third Proportional to 6,630 and 11,712

Calculator

Solution

The third proportional to 6,630 and 11,712 is: 20,689.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,630 : 11,712 = 11,712 : x
  2. Step 2: Convert to fraction form
    6,630/11,712 = 11,712/x
  3. Step 3: Cross multiply
    6,630x = 11,712 × 11,712
  4. Step 4: Simplify right side
    6,630x = 137,170,944
  5. Step 5: Solve for x
    x = 137,170,944/6,630
  6. Step 6: Final answer
    x = 20,689.43

Related Problems

Find third proportional to 3,315 and 5,856
Half scale
Find third proportional to 13,260 and 23,424
Double scale
Find third proportional to 6,632 and 11,716
Similar ratio
Find third proportional to 9,945 and 17,568
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.77) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.