Home / 396,682-871,988

Finding the Third Proportional to 396,682 and 871,988

Calculator

Solution

The third proportional to 396,682 and 871,988 is: 1,916,807.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,682 : 871,988 = 871,988 : x
  2. Step 2: Convert to fraction form
    396,682/871,988 = 871,988/x
  3. Step 3: Cross multiply
    396,682x = 871,988 × 871,988
  4. Step 4: Simplify right side
    396,682x = 760,363,072,144
  5. Step 5: Solve for x
    x = 760,363,072,144/396,682
  6. Step 6: Final answer
    x = 1,916,807.60

Related Problems

Find third proportional to 198,341 and 435,994
Half scale
Find third proportional to 793,364 and 1,743,976
Double scale
Find third proportional to 396,684 and 871,992
Similar ratio
Find third proportional to 595,023 and 1,307,982
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.