Home / 11,186-15,510

Finding the Third Proportional to 11,186 and 15,510

Calculator

Solution

The third proportional to 11,186 and 15,510 is: 21,505.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,186 : 15,510 = 15,510 : x
  2. Step 2: Convert to fraction form
    11,186/15,510 = 15,510/x
  3. Step 3: Cross multiply
    11,186x = 15,510 × 15,510
  4. Step 4: Simplify right side
    11,186x = 240,560,100
  5. Step 5: Solve for x
    x = 240,560,100/11,186
  6. Step 6: Final answer
    x = 21,505.46

Related Problems

Find third proportional to 5,593 and 7,755
Half scale
Find third proportional to 22,372 and 31,020
Double scale
Find third proportional to 11,188 and 15,513
Similar ratio
Find third proportional to 16,779 and 23,265
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.