Home / 396,761-881,811

Finding the Third Proportional to 396,761 and 881,811

Calculator

Solution

The third proportional to 396,761 and 881,811 is: 1,959,846.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,761 : 881,811 = 881,811 : x
  2. Step 2: Convert to fraction form
    396,761/881,811 = 881,811/x
  3. Step 3: Cross multiply
    396,761x = 881,811 × 881,811
  4. Step 4: Simplify right side
    396,761x = 777,590,639,721
  5. Step 5: Solve for x
    x = 777,590,639,721/396,761
  6. Step 6: Final answer
    x = 1,959,846.46

Related Problems

Find third proportional to 198,380.50 and 440,905.50
Half scale
Find third proportional to 793,522 and 1,763,622
Double scale
Find third proportional to 396,763 and 881,815
Similar ratio
Find third proportional to 595,141.50 and 1,322,716.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.