Home / 12,678-19,059

Finding the Third Proportional to 12,678 and 19,059

Calculator

Solution

The third proportional to 12,678 and 19,059 is: 28,651.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,678 : 19,059 = 19,059 : x
  2. Step 2: Convert to fraction form
    12,678/19,059 = 19,059/x
  3. Step 3: Cross multiply
    12,678x = 19,059 × 19,059
  4. Step 4: Simplify right side
    12,678x = 363,245,481
  5. Step 5: Solve for x
    x = 363,245,481/12,678
  6. Step 6: Final answer
    x = 28,651.64

Related Problems

Find third proportional to 6,339 and 9,529.50
Half scale
Find third proportional to 25,356 and 38,118
Double scale
Find third proportional to 12,680 and 19,062
Similar ratio
Find third proportional to 19,017 and 28,588.50
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.