Home / 53.25-120.38

Finding the Third Proportional to 53.25 and 120.38

Calculator

Solution

The third proportional to 53.25 and 120.38 is: 272.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    53.25 : 120.38 = 120.38 : x
  2. Step 2: Convert to fraction form
    53.25/120.38 = 120.38/x
  3. Step 3: Cross multiply
    53.25x = 120.38 × 120.38
  4. Step 4: Simplify right side
    53.25x = 14,490.14
  5. Step 5: Solve for x
    x = 14,490.14/53.25
  6. Step 6: Final answer
    x = 272.12

Related Problems

Why These Related Problems?

These problems maintain the same ratio (2.26) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.