Home / 227,372-378,930

Finding the Third Proportional to 227,372 and 378,930

Calculator

Solution

The third proportional to 227,372 and 378,930 is: 631,511.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,372 : 378,930 = 378,930 : x
  2. Step 2: Convert to fraction form
    227,372/378,930 = 378,930/x
  3. Step 3: Cross multiply
    227,372x = 378,930 × 378,930
  4. Step 4: Simplify right side
    227,372x = 143,587,944,900
  5. Step 5: Solve for x
    x = 143,587,944,900/227,372
  6. Step 6: Final answer
    x = 631,511.11

Related Problems

Find third proportional to 113,686 and 189,465
Half scale
Find third proportional to 454,744 and 757,860
Double scale
Find third proportional to 227,374 and 378,933
Similar ratio
Find third proportional to 341,058 and 568,395
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.67) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.