Home / 391.50-826

Finding the Third Proportional to 391.50 and 826

Calculator

Solution

The third proportional to 391.50 and 826 is: 1,742.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    391.50 : 826 = 826 : x
  2. Step 2: Convert to fraction form
    391.50/826 = 826/x
  3. Step 3: Cross multiply
    391.50x = 826 × 826
  4. Step 4: Simplify right side
    391.50x = 682,276
  5. Step 5: Solve for x
    x = 682,276/391.50
  6. Step 6: Final answer
    x = 1,742.72

Related Problems

Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.