Home / 68.25-102.66

Finding the Third Proportional to 68.25 and 102.66

Calculator

Solution

The third proportional to 68.25 and 102.66 is: 154.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    68.25 : 102.66 = 102.66 : x
  2. Step 2: Convert to fraction form
    68.25/102.66 = 102.66/x
  3. Step 3: Cross multiply
    68.25x = 102.66 × 102.66
  4. Step 4: Simplify right side
    68.25x = 10,538.31
  5. Step 5: Solve for x
    x = 10,538.31/68.25
  6. Step 6: Final answer
    x = 154.41

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.