Home / 11,008-15,288

Finding the Third Proportional to 11,008 and 15,288

Calculator

Solution

The third proportional to 11,008 and 15,288 is: 21,232.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,008 : 15,288 = 15,288 : x
  2. Step 2: Convert to fraction form
    11,008/15,288 = 15,288/x
  3. Step 3: Cross multiply
    11,008x = 15,288 × 15,288
  4. Step 4: Simplify right side
    11,008x = 233,722,944
  5. Step 5: Solve for x
    x = 233,722,944/11,008
  6. Step 6: Final answer
    x = 21,232.10

Related Problems

Find third proportional to 5,504 and 7,644
Half scale
Find third proportional to 22,016 and 30,576
Double scale
Find third proportional to 11,010 and 15,291
Similar ratio
Find third proportional to 16,512 and 22,932
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.