Home / 64,802-131,908

Finding the Third Proportional to 64,802 and 131,908

Calculator

Solution

The third proportional to 64,802 and 131,908 is: 268,505.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,802 : 131,908 = 131,908 : x
  2. Step 2: Convert to fraction form
    64,802/131,908 = 131,908/x
  3. Step 3: Cross multiply
    64,802x = 131,908 × 131,908
  4. Step 4: Simplify right side
    64,802x = 17,399,720,464
  5. Step 5: Solve for x
    x = 17,399,720,464/64,802
  6. Step 6: Final answer
    x = 268,505.92

Related Problems

Find third proportional to 32,401 and 65,954
Half scale
Find third proportional to 129,604 and 263,816
Double scale
Find third proportional to 64,804 and 131,912
Similar ratio
Find third proportional to 97,203 and 197,862
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.