Home / 18,006-27,009

Finding the Third Proportional to 18,006 and 27,009

Calculator

Solution

The third proportional to 18,006 and 27,009 is: 40,513.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,006 : 27,009 = 27,009 : x
  2. Step 2: Convert to fraction form
    18,006/27,009 = 27,009/x
  3. Step 3: Cross multiply
    18,006x = 27,009 × 27,009
  4. Step 4: Simplify right side
    18,006x = 729,486,081
  5. Step 5: Solve for x
    x = 729,486,081/18,006
  6. Step 6: Final answer
    x = 40,513.50

Related Problems

Find third proportional to 9,003 and 13,504.50
Half scale
Find third proportional to 36,012 and 54,018
Double scale
Find third proportional to 18,008 and 27,012
Similar ratio
Find third proportional to 27,009 and 40,513.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.