Home / 12,738-18,192

Finding the Third Proportional to 12,738 and 18,192

Calculator

Solution

The third proportional to 12,738 and 18,192 is: 25,981.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,738 : 18,192 = 18,192 : x
  2. Step 2: Convert to fraction form
    12,738/18,192 = 18,192/x
  3. Step 3: Cross multiply
    12,738x = 18,192 × 18,192
  4. Step 4: Simplify right side
    12,738x = 330,948,864
  5. Step 5: Solve for x
    x = 330,948,864/12,738
  6. Step 6: Final answer
    x = 25,981.23

Related Problems

Find third proportional to 6,369 and 9,096
Half scale
Find third proportional to 25,476 and 36,384
Double scale
Find third proportional to 12,740 and 18,195
Similar ratio
Find third proportional to 19,107 and 27,288
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.