Home / 54,910-120,511

Finding the Third Proportional to 54,910 and 120,511

Calculator

Solution

The third proportional to 54,910 and 120,511 is: 264,485.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,910 : 120,511 = 120,511 : x
  2. Step 2: Convert to fraction form
    54,910/120,511 = 120,511/x
  3. Step 3: Cross multiply
    54,910x = 120,511 × 120,511
  4. Step 4: Simplify right side
    54,910x = 14,522,901,121
  5. Step 5: Solve for x
    x = 14,522,901,121/54,910
  6. Step 6: Final answer
    x = 264,485.54

Related Problems

Find third proportional to 27,455 and 60,255.50
Half scale
Find third proportional to 109,820 and 241,022
Double scale
Find third proportional to 54,912 and 120,515
Similar ratio
Find third proportional to 82,365 and 180,766.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.