Home / 64.88-140.38

Finding the Third Proportional to 64.88 and 140.38

Calculator

Solution

The third proportional to 64.88 and 140.38 is: 303.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    64.88 : 140.38 = 140.38 : x
  2. Step 2: Convert to fraction form
    64.88/140.38 = 140.38/x
  3. Step 3: Cross multiply
    64.88x = 140.38 × 140.38
  4. Step 4: Simplify right side
    64.88x = 19,705.14
  5. Step 5: Solve for x
    x = 19,705.14/64.88
  6. Step 6: Final answer
    x = 303.74

Related Problems

Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.