Home / 396,576-871,884

Finding the Third Proportional to 396,576 and 871,884

Calculator

Solution

The third proportional to 396,576 and 871,884 is: 1,916,862.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,576 : 871,884 = 871,884 : x
  2. Step 2: Convert to fraction form
    396,576/871,884 = 871,884/x
  3. Step 3: Cross multiply
    396,576x = 871,884 × 871,884
  4. Step 4: Simplify right side
    396,576x = 760,181,709,456
  5. Step 5: Solve for x
    x = 760,181,709,456/396,576
  6. Step 6: Final answer
    x = 1,916,862.62

Related Problems

Find third proportional to 198,288 and 435,942
Half scale
Find third proportional to 793,152 and 1,743,768
Double scale
Find third proportional to 396,578 and 871,888
Similar ratio
Find third proportional to 594,864 and 1,307,826
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.