Home / 11,512-15,356

Finding the Third Proportional to 11,512 and 15,356

Calculator

Solution

The third proportional to 11,512 and 15,356 is: 20,483.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,512 : 15,356 = 15,356 : x
  2. Step 2: Convert to fraction form
    11,512/15,356 = 15,356/x
  3. Step 3: Cross multiply
    11,512x = 15,356 × 15,356
  4. Step 4: Simplify right side
    11,512x = 235,806,736
  5. Step 5: Solve for x
    x = 235,806,736/11,512
  6. Step 6: Final answer
    x = 20,483.56

Related Problems

Find third proportional to 5,756 and 7,678
Half scale
Find third proportional to 23,024 and 30,712
Double scale
Find third proportional to 11,514 and 15,359
Similar ratio
Find third proportional to 17,268 and 23,034
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.