Home / 4,489-9,581

Finding the Third Proportional to 4,489 and 9,581

Calculator

Solution

The third proportional to 4,489 and 9,581 is: 20,449

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,489 : 9,581 = 9,581 : x
  2. Step 2: Convert to fraction form
    4,489/9,581 = 9,581/x
  3. Step 3: Cross multiply
    4,489x = 9,581 × 9,581
  4. Step 4: Simplify right side
    4,489x = 91,795,561
  5. Step 5: Solve for x
    x = 91,795,561/4,489
  6. Step 6: Final answer
    x = 20,449

Related Problems

Find third proportional to 2,244.50 and 4,790.50
Half scale
Find third proportional to 8,978 and 19,162
Double scale
Find third proportional to 4,491 and 9,585
Similar ratio
Find third proportional to 6,733.50 and 14,371.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.