Home / 121,995-259,542

Finding the Third Proportional to 121,995 and 259,542

Calculator

Solution

The third proportional to 121,995 and 259,542 is: 552,170.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,995 : 259,542 = 259,542 : x
  2. Step 2: Convert to fraction form
    121,995/259,542 = 259,542/x
  3. Step 3: Cross multiply
    121,995x = 259,542 × 259,542
  4. Step 4: Simplify right side
    121,995x = 67,362,049,764
  5. Step 5: Solve for x
    x = 67,362,049,764/121,995
  6. Step 6: Final answer
    x = 552,170.58

Related Problems

Find third proportional to 60,997.50 and 129,771
Half scale
Find third proportional to 243,990 and 519,084
Double scale
Find third proportional to 121,997 and 259,546
Similar ratio
Find third proportional to 182,992.50 and 389,313
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.