Home / 69.75-111.94

Finding the Third Proportional to 69.75 and 111.94

Calculator

Solution

The third proportional to 69.75 and 111.94 is: 179.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    69.75 : 111.94 = 111.94 : x
  2. Step 2: Convert to fraction form
    69.75/111.94 = 111.94/x
  3. Step 3: Cross multiply
    69.75x = 111.94 × 111.94
  4. Step 4: Simplify right side
    69.75x = 12,530.00
  5. Step 5: Solve for x
    x = 12,530.00/69.75
  6. Step 6: Final answer
    x = 179.64

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.60) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.