Home / 45.38-69.38

Finding the Third Proportional to 45.38 and 69.38

Calculator

Solution

The third proportional to 45.38 and 69.38 is: 106.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    45.38 : 69.38 = 69.38 : x
  2. Step 2: Convert to fraction form
    45.38/69.38 = 69.38/x
  3. Step 3: Cross multiply
    45.38x = 69.38 × 69.38
  4. Step 4: Simplify right side
    45.38x = 4,812.89
  5. Step 5: Solve for x
    x = 4,812.89/45.38
  6. Step 6: Final answer
    x = 106.07

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.