Home / 3,966-6,385

Finding the Third Proportional to 3,966 and 6,385

Calculator

Solution

The third proportional to 3,966 and 6,385 is: 10,279.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,966 : 6,385 = 6,385 : x
  2. Step 2: Convert to fraction form
    3,966/6,385 = 6,385/x
  3. Step 3: Cross multiply
    3,966x = 6,385 × 6,385
  4. Step 4: Simplify right side
    3,966x = 40,768,225
  5. Step 5: Solve for x
    x = 40,768,225/3,966
  6. Step 6: Final answer
    x = 10,279.43

Related Problems

Find third proportional to 1,983 and 3,192.50
Half scale
Find third proportional to 7,932 and 12,770
Double scale
Find third proportional to 3,968 and 6,388
Similar ratio
Find third proportional to 5,949 and 9,577.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.