Home / 338,026-505,986

Finding the Third Proportional to 338,026 and 505,986

Calculator

Solution

The third proportional to 338,026 and 505,986 is: 757,402.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,026 : 505,986 = 505,986 : x
  2. Step 2: Convert to fraction form
    338,026/505,986 = 505,986/x
  3. Step 3: Cross multiply
    338,026x = 505,986 × 505,986
  4. Step 4: Simplify right side
    338,026x = 256,021,832,196
  5. Step 5: Solve for x
    x = 256,021,832,196/338,026
  6. Step 6: Final answer
    x = 757,402.78

Related Problems

Find third proportional to 169,013 and 252,993
Half scale
Find third proportional to 676,052 and 1,011,972
Double scale
Find third proportional to 338,028 and 505,989
Similar ratio
Find third proportional to 507,039 and 758,979
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.