Home / 11,780.44-18,217.69

Finding the Third Proportional to 11,780.44 and 18,217.69

Calculator

Solution

The third proportional to 11,780.44 and 18,217.69 is: 28,172.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,780.44 : 18,217.69 = 18,217.69 : x
  2. Step 2: Convert to fraction form
    11,780.44/18,217.69 = 18,217.69/x
  3. Step 3: Cross multiply
    11,780.44x = 18,217.69 × 18,217.69
  4. Step 4: Simplify right side
    11,780.44x = 331,884,137.85
  5. Step 5: Solve for x
    x = 331,884,137.85/11,780.44
  6. Step 6: Final answer
    x = 28,172.48

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.