Home / 3,856-7,895

Finding the Third Proportional to 3,856 and 7,895

Calculator

Solution

The third proportional to 3,856 and 7,895 is: 16,164.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,856 : 7,895 = 7,895 : x
  2. Step 2: Convert to fraction form
    3,856/7,895 = 7,895/x
  3. Step 3: Cross multiply
    3,856x = 7,895 × 7,895
  4. Step 4: Simplify right side
    3,856x = 62,331,025
  5. Step 5: Solve for x
    x = 62,331,025/3,856
  6. Step 6: Final answer
    x = 16,164.68

Related Problems

Find third proportional to 1,928 and 3,947.50
Half scale
Find third proportional to 7,712 and 15,790
Double scale
Find third proportional to 3,858 and 7,899
Similar ratio
Find third proportional to 5,784 and 11,842.50
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.