Home / 45.38-67.92

Finding the Third Proportional to 45.38 and 67.92

Calculator

Solution

The third proportional to 45.38 and 67.92 is: 101.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    45.38 : 67.92 = 67.92 : x
  2. Step 2: Convert to fraction form
    45.38/67.92 = 67.92/x
  3. Step 3: Cross multiply
    45.38x = 67.92 × 67.92
  4. Step 4: Simplify right side
    45.38x = 4,613.38
  5. Step 5: Solve for x
    x = 4,613.38/45.38
  6. Step 6: Final answer
    x = 101.67

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.