Home / 79.84-109.94

Finding the Third Proportional to 79.84 and 109.94

Calculator

Solution

The third proportional to 79.84 and 109.94 is: 151.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    79.84 : 109.94 = 109.94 : x
  2. Step 2: Convert to fraction form
    79.84/109.94 = 109.94/x
  3. Step 3: Cross multiply
    79.84x = 109.94 × 109.94
  4. Step 4: Simplify right side
    79.84x = 12,086.25
  5. Step 5: Solve for x
    x = 12,086.25/79.84
  6. Step 6: Final answer
    x = 151.37

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.