Home / 13,788-18,126

Finding the Third Proportional to 13,788 and 18,126

Calculator

Solution

The third proportional to 13,788 and 18,126 is: 23,828.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,788 : 18,126 = 18,126 : x
  2. Step 2: Convert to fraction form
    13,788/18,126 = 18,126/x
  3. Step 3: Cross multiply
    13,788x = 18,126 × 18,126
  4. Step 4: Simplify right side
    13,788x = 328,551,876
  5. Step 5: Solve for x
    x = 328,551,876/13,788
  6. Step 6: Final answer
    x = 23,828.83

Related Problems

Find third proportional to 6,894 and 9,063
Half scale
Find third proportional to 27,576 and 36,252
Double scale
Find third proportional to 13,790 and 18,129
Similar ratio
Find third proportional to 20,682 and 27,189
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.