Home / 18,129-27,108

Finding the Third Proportional to 18,129 and 27,108

Calculator

Solution

The third proportional to 18,129 and 27,108 is: 40,534.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,129 : 27,108 = 27,108 : x
  2. Step 2: Convert to fraction form
    18,129/27,108 = 27,108/x
  3. Step 3: Cross multiply
    18,129x = 27,108 × 27,108
  4. Step 4: Simplify right side
    18,129x = 734,843,664
  5. Step 5: Solve for x
    x = 734,843,664/18,129
  6. Step 6: Final answer
    x = 40,534.15

Related Problems

Find third proportional to 9,064.50 and 13,554
Half scale
Find third proportional to 36,258 and 54,216
Double scale
Find third proportional to 18,131 and 27,111
Similar ratio
Find third proportional to 27,193.50 and 40,662
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.