Home / 396,168-853,938

Finding the Third Proportional to 396,168 and 853,938

Calculator

Solution

The third proportional to 396,168 and 853,938 is: 1,840,658.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,168 : 853,938 = 853,938 : x
  2. Step 2: Convert to fraction form
    396,168/853,938 = 853,938/x
  3. Step 3: Cross multiply
    396,168x = 853,938 × 853,938
  4. Step 4: Simplify right side
    396,168x = 729,210,107,844
  5. Step 5: Solve for x
    x = 729,210,107,844/396,168
  6. Step 6: Final answer
    x = 1,840,658.78

Related Problems

Find third proportional to 198,084 and 426,969
Half scale
Find third proportional to 792,336 and 1,707,876
Double scale
Find third proportional to 396,170 and 853,942
Similar ratio
Find third proportional to 594,252 and 1,280,907
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.