Home / 39.75-89

Finding the Third Proportional to 39.75 and 89

Calculator

Solution

The third proportional to 39.75 and 89 is: 199.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    39.75 : 89 = 89 : x
  2. Step 2: Convert to fraction form
    39.75/89 = 89/x
  3. Step 3: Cross multiply
    39.75x = 89 × 89
  4. Step 4: Simplify right side
    39.75x = 7,921
  5. Step 5: Solve for x
    x = 7,921/39.75
  6. Step 6: Final answer
    x = 199.27

Related Problems

Why These Related Problems?

These problems maintain the same ratio (2.24) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.