Home / 72.75-159.94

Finding the Third Proportional to 72.75 and 159.94

Calculator

Solution

The third proportional to 72.75 and 159.94 is: 351.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    72.75 : 159.94 = 159.94 : x
  2. Step 2: Convert to fraction form
    72.75/159.94 = 159.94/x
  3. Step 3: Cross multiply
    72.75x = 159.94 × 159.94
  4. Step 4: Simplify right side
    72.75x = 25,580.00
  5. Step 5: Solve for x
    x = 25,580.00/72.75
  6. Step 6: Final answer
    x = 351.62

Related Problems

Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.