Home / 251-493

Finding the Third Proportional to 251 and 493

Calculator

Solution

The third proportional to 251 and 493 is: 968.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    251 : 493 = 493 : x
  2. Step 2: Convert to fraction form
    251/493 = 493/x
  3. Step 3: Cross multiply
    251x = 493 × 493
  4. Step 4: Simplify right side
    251x = 243,049
  5. Step 5: Solve for x
    x = 243,049/251
  6. Step 6: Final answer
    x = 968.32

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.96) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.