Home / 12,648-19,794

Finding the Third Proportional to 12,648 and 19,794

Calculator

Solution

The third proportional to 12,648 and 19,794 is: 30,977.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,648 : 19,794 = 19,794 : x
  2. Step 2: Convert to fraction form
    12,648/19,794 = 19,794/x
  3. Step 3: Cross multiply
    12,648x = 19,794 × 19,794
  4. Step 4: Simplify right side
    12,648x = 391,802,436
  5. Step 5: Solve for x
    x = 391,802,436/12,648
  6. Step 6: Final answer
    x = 30,977.42

Related Problems

Find third proportional to 6,324 and 9,897
Half scale
Find third proportional to 25,296 and 39,588
Double scale
Find third proportional to 12,650 and 19,797
Similar ratio
Find third proportional to 18,972 and 29,691
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.