Home / 65.02-139.69

Finding the Third Proportional to 65.02 and 139.69

Calculator

Solution

The third proportional to 65.02 and 139.69 is: 300.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    65.02 : 139.69 = 139.69 : x
  2. Step 2: Convert to fraction form
    65.02/139.69 = 139.69/x
  3. Step 3: Cross multiply
    65.02x = 139.69 × 139.69
  4. Step 4: Simplify right side
    65.02x = 19,514.23
  5. Step 5: Solve for x
    x = 19,514.23/65.02
  6. Step 6: Final answer
    x = 300.12

Related Problems

Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.