Home / 206-558

Finding the Third Proportional to 206 and 558

Calculator

Solution

The third proportional to 206 and 558 is: 1,511.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    206 : 558 = 558 : x
  2. Step 2: Convert to fraction form
    206/558 = 558/x
  3. Step 3: Cross multiply
    206x = 558 × 558
  4. Step 4: Simplify right side
    206x = 311,364
  5. Step 5: Solve for x
    x = 311,364/206
  6. Step 6: Final answer
    x = 1,511.48

Related Problems

Why These Related Problems?

These problems maintain the same ratio (2.71) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.