Home / 11,231-18,717

Finding the Third Proportional to 11,231 and 18,717

Calculator

Solution

The third proportional to 11,231 and 18,717 is: 31,192.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,231 : 18,717 = 18,717 : x
  2. Step 2: Convert to fraction form
    11,231/18,717 = 18,717/x
  3. Step 3: Cross multiply
    11,231x = 18,717 × 18,717
  4. Step 4: Simplify right side
    11,231x = 350,326,089
  5. Step 5: Solve for x
    x = 350,326,089/11,231
  6. Step 6: Final answer
    x = 31,192.78

Related Problems

Find third proportional to 5,615.50 and 9,358.50
Half scale
Find third proportional to 22,462 and 37,434
Double scale
Find third proportional to 11,233 and 18,720
Similar ratio
Find third proportional to 16,846.50 and 28,075.50
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.