Home / 3,871-7,926

Finding the Third Proportional to 3,871 and 7,926

Calculator

Solution

The third proportional to 3,871 and 7,926 is: 16,228.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,871 : 7,926 = 7,926 : x
  2. Step 2: Convert to fraction form
    3,871/7,926 = 7,926/x
  3. Step 3: Cross multiply
    3,871x = 7,926 × 7,926
  4. Step 4: Simplify right side
    3,871x = 62,821,476
  5. Step 5: Solve for x
    x = 62,821,476/3,871
  6. Step 6: Final answer
    x = 16,228.75

Related Problems

Find third proportional to 1,935.50 and 3,963
Half scale
Find third proportional to 7,742 and 15,852
Double scale
Find third proportional to 3,873 and 7,930
Similar ratio
Find third proportional to 5,806.50 and 11,889
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.