Home / 128,879-194,736

Finding the Third Proportional to 128,879 and 194,736

Calculator

Solution

The third proportional to 128,879 and 194,736 is: 294,245.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,879 : 194,736 = 194,736 : x
  2. Step 2: Convert to fraction form
    128,879/194,736 = 194,736/x
  3. Step 3: Cross multiply
    128,879x = 194,736 × 194,736
  4. Step 4: Simplify right side
    128,879x = 37,922,109,696
  5. Step 5: Solve for x
    x = 37,922,109,696/128,879
  6. Step 6: Final answer
    x = 294,245.84

Related Problems

Find third proportional to 64,439.50 and 97,368
Half scale
Find third proportional to 257,758 and 389,472
Double scale
Find third proportional to 128,881 and 194,739
Similar ratio
Find third proportional to 193,318.50 and 292,104
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.