Home / 8,109-18,084

Finding the Third Proportional to 8,109 and 18,084

Calculator

Solution

The third proportional to 8,109 and 18,084 is: 40,329.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,109 : 18,084 = 18,084 : x
  2. Step 2: Convert to fraction form
    8,109/18,084 = 18,084/x
  3. Step 3: Cross multiply
    8,109x = 18,084 × 18,084
  4. Step 4: Simplify right side
    8,109x = 327,031,056
  5. Step 5: Solve for x
    x = 327,031,056/8,109
  6. Step 6: Final answer
    x = 40,329.39

Related Problems

Find third proportional to 4,054.50 and 9,042
Half scale
Find third proportional to 16,218 and 36,168
Double scale
Find third proportional to 8,111 and 18,088
Similar ratio
Find third proportional to 12,163.50 and 27,126
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.23) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.