Home / 121,992-191,196

Finding the Third Proportional to 121,992 and 191,196

Calculator

Solution

The third proportional to 121,992 and 191,196 is: 299,658.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,992 : 191,196 = 191,196 : x
  2. Step 2: Convert to fraction form
    121,992/191,196 = 191,196/x
  3. Step 3: Cross multiply
    121,992x = 191,196 × 191,196
  4. Step 4: Simplify right side
    121,992x = 36,555,910,416
  5. Step 5: Solve for x
    x = 36,555,910,416/121,992
  6. Step 6: Final answer
    x = 299,658.26

Related Problems

Find third proportional to 60,996 and 95,598
Half scale
Find third proportional to 243,984 and 382,392
Double scale
Find third proportional to 121,994 and 191,199
Similar ratio
Find third proportional to 182,988 and 286,794
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.