Home / 128,934-197,106

Finding the Third Proportional to 128,934 and 197,106

Calculator

Solution

The third proportional to 128,934 and 197,106 is: 301,322.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,934 : 197,106 = 197,106 : x
  2. Step 2: Convert to fraction form
    128,934/197,106 = 197,106/x
  3. Step 3: Cross multiply
    128,934x = 197,106 × 197,106
  4. Step 4: Simplify right side
    128,934x = 38,850,775,236
  5. Step 5: Solve for x
    x = 38,850,775,236/128,934
  6. Step 6: Final answer
    x = 301,322.97

Related Problems

Find third proportional to 64,467 and 98,553
Half scale
Find third proportional to 257,868 and 394,212
Double scale
Find third proportional to 128,936 and 197,109
Similar ratio
Find third proportional to 193,401 and 295,659
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.