Home / 129,838-196,162

Finding the Third Proportional to 129,838 and 196,162

Calculator

Solution

The third proportional to 129,838 and 196,162 is: 296,365.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,838 : 196,162 = 196,162 : x
  2. Step 2: Convert to fraction form
    129,838/196,162 = 196,162/x
  3. Step 3: Cross multiply
    129,838x = 196,162 × 196,162
  4. Step 4: Simplify right side
    129,838x = 38,479,530,244
  5. Step 5: Solve for x
    x = 38,479,530,244/129,838
  6. Step 6: Final answer
    x = 296,365.70

Related Problems

Find third proportional to 64,919 and 98,081
Half scale
Find third proportional to 259,676 and 392,324
Double scale
Find third proportional to 129,840 and 196,165
Similar ratio
Find third proportional to 194,757 and 294,243
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.