Home / 108-200

Finding the Third Proportional to 108 and 200

Calculator

Solution

The third proportional to 108 and 200 is: 370.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    108 : 200 = 200 : x
  2. Step 2: Convert to fraction form
    108/200 = 200/x
  3. Step 3: Cross multiply
    108x = 200 × 200
  4. Step 4: Simplify right side
    108x = 40,000
  5. Step 5: Solve for x
    x = 40,000/108
  6. Step 6: Final answer
    x = 370.37

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.85) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.