Home / 396,756-872,244

Finding the Third Proportional to 396,756 and 872,244

Calculator

Solution

The third proportional to 396,756 and 872,244 is: 1,917,575.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,756 : 872,244 = 872,244 : x
  2. Step 2: Convert to fraction form
    396,756/872,244 = 872,244/x
  3. Step 3: Cross multiply
    396,756x = 872,244 × 872,244
  4. Step 4: Simplify right side
    396,756x = 760,809,595,536
  5. Step 5: Solve for x
    x = 760,809,595,536/396,756
  6. Step 6: Final answer
    x = 1,917,575.53

Related Problems

Find third proportional to 198,378 and 436,122
Half scale
Find third proportional to 793,512 and 1,744,488
Double scale
Find third proportional to 396,758 and 872,248
Similar ratio
Find third proportional to 595,134 and 1,308,366
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.