Home / 18,000-38,038

Finding the Third Proportional to 18,000 and 38,038

Calculator

Solution

The third proportional to 18,000 and 38,038 is: 80,382.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,000 : 38,038 = 38,038 : x
  2. Step 2: Convert to fraction form
    18,000/38,038 = 38,038/x
  3. Step 3: Cross multiply
    18,000x = 38,038 × 38,038
  4. Step 4: Simplify right side
    18,000x = 1,446,889,444
  5. Step 5: Solve for x
    x = 1,446,889,444/18,000
  6. Step 6: Final answer
    x = 80,382.75

Related Problems

Find third proportional to 9,000 and 19,019
Half scale
Find third proportional to 36,000 and 76,076
Double scale
Find third proportional to 18,002 and 38,042
Similar ratio
Find third proportional to 27,000 and 57,057
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.