Home / 3,666-5,621

Finding the Third Proportional to 3,666 and 5,621

Calculator

Solution

The third proportional to 3,666 and 5,621 is: 8,618.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,666 : 5,621 = 5,621 : x
  2. Step 2: Convert to fraction form
    3,666/5,621 = 5,621/x
  3. Step 3: Cross multiply
    3,666x = 5,621 × 5,621
  4. Step 4: Simplify right side
    3,666x = 31,595,641
  5. Step 5: Solve for x
    x = 31,595,641/3,666
  6. Step 6: Final answer
    x = 8,618.56

Related Problems

Find third proportional to 1,833 and 2,810.50
Half scale
Find third proportional to 7,332 and 11,242
Double scale
Find third proportional to 3,668 and 5,624
Similar ratio
Find third proportional to 5,499 and 8,431.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.