Home / 396,674-871,972

Finding the Third Proportional to 396,674 and 871,972

Calculator

Solution

The third proportional to 396,674 and 871,972 is: 1,916,775.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,674 : 871,972 = 871,972 : x
  2. Step 2: Convert to fraction form
    396,674/871,972 = 871,972/x
  3. Step 3: Cross multiply
    396,674x = 871,972 × 871,972
  4. Step 4: Simplify right side
    396,674x = 760,335,168,784
  5. Step 5: Solve for x
    x = 760,335,168,784/396,674
  6. Step 6: Final answer
    x = 1,916,775.91

Related Problems

Find third proportional to 198,337 and 435,986
Half scale
Find third proportional to 793,348 and 1,743,944
Double scale
Find third proportional to 396,676 and 871,976
Similar ratio
Find third proportional to 595,011 and 1,307,958
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.