Home / 12,105-19,021

Finding the Third Proportional to 12,105 and 19,021

Calculator

Solution

The third proportional to 12,105 and 19,021 is: 29,888.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,105 : 19,021 = 19,021 : x
  2. Step 2: Convert to fraction form
    12,105/19,021 = 19,021/x
  3. Step 3: Cross multiply
    12,105x = 19,021 × 19,021
  4. Step 4: Simplify right side
    12,105x = 361,798,441
  5. Step 5: Solve for x
    x = 361,798,441/12,105
  6. Step 6: Final answer
    x = 29,888.35

Related Problems

Find third proportional to 6,052.50 and 9,510.50
Half scale
Find third proportional to 24,210 and 38,042
Double scale
Find third proportional to 12,107 and 19,024
Similar ratio
Find third proportional to 18,157.50 and 28,531.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.