Home / 396,122-855,368

Finding the Third Proportional to 396,122 and 855,368

Calculator

Solution

The third proportional to 396,122 and 855,368 is: 1,847,043.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,122 : 855,368 = 855,368 : x
  2. Step 2: Convert to fraction form
    396,122/855,368 = 855,368/x
  3. Step 3: Cross multiply
    396,122x = 855,368 × 855,368
  4. Step 4: Simplify right side
    396,122x = 731,654,415,424
  5. Step 5: Solve for x
    x = 731,654,415,424/396,122
  6. Step 6: Final answer
    x = 1,847,043.12

Related Problems

Find third proportional to 198,061 and 427,684
Half scale
Find third proportional to 792,244 and 1,710,736
Double scale
Find third proportional to 396,124 and 855,372
Similar ratio
Find third proportional to 594,183 and 1,283,052
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.