Home / 1,811.11-3,929.77

Finding the Third Proportional to 1,811.11 and 3,929.77

Calculator

Solution

The third proportional to 1,811.11 and 3,929.77 is: 8,526.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,811.11 : 3,929.77 = 3,929.77 : x
  2. Step 2: Convert to fraction form
    1,811.11/3,929.77 = 3,929.77/x
  3. Step 3: Cross multiply
    1,811.11x = 3,929.77 × 3,929.77
  4. Step 4: Simplify right side
    1,811.11x = 15,443,057.87
  5. Step 5: Solve for x
    x = 15,443,057.87/1,811.11
  6. Step 6: Final answer
    x = 8,526.85

Related Problems

Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.