Home / 396,300-855,768

Finding the Third Proportional to 396,300 and 855,768

Calculator

Solution

The third proportional to 396,300 and 855,768 is: 1,847,940.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,300 : 855,768 = 855,768 : x
  2. Step 2: Convert to fraction form
    396,300/855,768 = 855,768/x
  3. Step 3: Cross multiply
    396,300x = 855,768 × 855,768
  4. Step 4: Simplify right side
    396,300x = 732,338,869,824
  5. Step 5: Solve for x
    x = 732,338,869,824/396,300
  6. Step 6: Final answer
    x = 1,847,940.63

Related Problems

Find third proportional to 198,150 and 427,884
Half scale
Find third proportional to 792,600 and 1,711,536
Double scale
Find third proportional to 396,302 and 855,772
Similar ratio
Find third proportional to 594,450 and 1,283,652
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.