Home / 3,992-7,621

Finding the Third Proportional to 3,992 and 7,621

Calculator

Solution

The third proportional to 3,992 and 7,621 is: 14,549.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,992 : 7,621 = 7,621 : x
  2. Step 2: Convert to fraction form
    3,992/7,621 = 7,621/x
  3. Step 3: Cross multiply
    3,992x = 7,621 × 7,621
  4. Step 4: Simplify right side
    3,992x = 58,079,641
  5. Step 5: Solve for x
    x = 58,079,641/3,992
  6. Step 6: Final answer
    x = 14,549.01

Related Problems

Find third proportional to 1,996 and 3,810.50
Half scale
Find third proportional to 7,984 and 15,242
Double scale
Find third proportional to 3,994 and 7,625
Similar ratio
Find third proportional to 5,988 and 11,431.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.91) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.