Home / 48.75-72.25

Finding the Third Proportional to 48.75 and 72.25

Calculator

Solution

The third proportional to 48.75 and 72.25 is: 107.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    48.75 : 72.25 = 72.25 : x
  2. Step 2: Convert to fraction form
    48.75/72.25 = 72.25/x
  3. Step 3: Cross multiply
    48.75x = 72.25 × 72.25
  4. Step 4: Simplify right side
    48.75x = 5,220.06
  5. Step 5: Solve for x
    x = 5,220.06/48.75
  6. Step 6: Final answer
    x = 107.08

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.