Home / 108.75-270.19

Finding the Third Proportional to 108.75 and 270.19

Calculator

Solution

The third proportional to 108.75 and 270.19 is: 671.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    108.75 : 270.19 = 270.19 : x
  2. Step 2: Convert to fraction form
    108.75/270.19 = 270.19/x
  3. Step 3: Cross multiply
    108.75x = 270.19 × 270.19
  4. Step 4: Simplify right side
    108.75x = 73,001.29
  5. Step 5: Solve for x
    x = 73,001.29/108.75
  6. Step 6: Final answer
    x = 671.28

Related Problems

Why These Related Problems?

These problems maintain the same ratio (2.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.