Home / 121,369-193,907

Finding the Third Proportional to 121,369 and 193,907

Calculator

Solution

The third proportional to 121,369 and 193,907 is: 309,798.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,369 : 193,907 = 193,907 : x
  2. Step 2: Convert to fraction form
    121,369/193,907 = 193,907/x
  3. Step 3: Cross multiply
    121,369x = 193,907 × 193,907
  4. Step 4: Simplify right side
    121,369x = 37,599,924,649
  5. Step 5: Solve for x
    x = 37,599,924,649/121,369
  6. Step 6: Final answer
    x = 309,798.42

Related Problems

Find third proportional to 60,684.50 and 96,953.50
Half scale
Find third proportional to 242,738 and 387,814
Double scale
Find third proportional to 121,371 and 193,910
Similar ratio
Find third proportional to 182,053.50 and 290,860.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.60) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.