Home / 2,828-5,575

Finding the Third Proportional to 2,828 and 5,575

Calculator

Solution

The third proportional to 2,828 and 5,575 is: 10,990.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,828 : 5,575 = 5,575 : x
  2. Step 2: Convert to fraction form
    2,828/5,575 = 5,575/x
  3. Step 3: Cross multiply
    2,828x = 5,575 × 5,575
  4. Step 4: Simplify right side
    2,828x = 31,080,625
  5. Step 5: Solve for x
    x = 31,080,625/2,828
  6. Step 6: Final answer
    x = 10,990.32

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.97) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.