Home / 72.75-132

Finding the Third Proportional to 72.75 and 132

Calculator

Solution

The third proportional to 72.75 and 132 is: 239.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    72.75 : 132 = 132 : x
  2. Step 2: Convert to fraction form
    72.75/132 = 132/x
  3. Step 3: Cross multiply
    72.75x = 132 × 132
  4. Step 4: Simplify right side
    72.75x = 17,424
  5. Step 5: Solve for x
    x = 17,424/72.75
  6. Step 6: Final answer
    x = 239.51

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.81) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.