Home / 8,813-18,491

Finding the Third Proportional to 8,813 and 18,491

Calculator

Solution

The third proportional to 8,813 and 18,491 is: 38,796.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,813 : 18,491 = 18,491 : x
  2. Step 2: Convert to fraction form
    8,813/18,491 = 18,491/x
  3. Step 3: Cross multiply
    8,813x = 18,491 × 18,491
  4. Step 4: Simplify right side
    8,813x = 341,917,081
  5. Step 5: Solve for x
    x = 341,917,081/8,813
  6. Step 6: Final answer
    x = 38,796.90

Related Problems

Find third proportional to 4,406.50 and 9,245.50
Half scale
Find third proportional to 17,626 and 36,982
Double scale
Find third proportional to 8,815 and 18,495
Similar ratio
Find third proportional to 13,219.50 and 27,736.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.