Home / 8,622-13,185

Finding the Third Proportional to 8,622 and 13,185

Calculator

Solution

The third proportional to 8,622 and 13,185 is: 20,162.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,622 : 13,185 = 13,185 : x
  2. Step 2: Convert to fraction form
    8,622/13,185 = 13,185/x
  3. Step 3: Cross multiply
    8,622x = 13,185 × 13,185
  4. Step 4: Simplify right side
    8,622x = 173,844,225
  5. Step 5: Solve for x
    x = 173,844,225/8,622
  6. Step 6: Final answer
    x = 20,162.87

Related Problems

Find third proportional to 4,311 and 6,592.50
Half scale
Find third proportional to 17,244 and 26,370
Double scale
Find third proportional to 8,624 and 13,188
Similar ratio
Find third proportional to 12,933 and 19,777.50
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.