Home / 82.75-172.50

Finding the Third Proportional to 82.75 and 172.50

Calculator

Solution

The third proportional to 82.75 and 172.50 is: 359.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    82.75 : 172.50 = 172.50 : x
  2. Step 2: Convert to fraction form
    82.75/172.50 = 172.50/x
  3. Step 3: Cross multiply
    82.75x = 172.50 × 172.50
  4. Step 4: Simplify right side
    82.75x = 29,756.25
  5. Step 5: Solve for x
    x = 29,756.25/82.75
  6. Step 6: Final answer
    x = 359.59

Related Problems

Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.