Home / 396,624-871,980

Finding the Third Proportional to 396,624 and 871,980

Calculator

Solution

The third proportional to 396,624 and 871,980 is: 1,917,052.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,624 : 871,980 = 871,980 : x
  2. Step 2: Convert to fraction form
    396,624/871,980 = 871,980/x
  3. Step 3: Cross multiply
    396,624x = 871,980 × 871,980
  4. Step 4: Simplify right side
    396,624x = 760,349,120,400
  5. Step 5: Solve for x
    x = 760,349,120,400/396,624
  6. Step 6: Final answer
    x = 1,917,052.73

Related Problems

Find third proportional to 198,312 and 435,990
Half scale
Find third proportional to 793,248 and 1,743,960
Double scale
Find third proportional to 396,626 and 871,984
Similar ratio
Find third proportional to 594,936 and 1,307,970
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.