Home / 12,942-19,653

Finding the Third Proportional to 12,942 and 19,653

Calculator

Solution

The third proportional to 12,942 and 19,653 is: 29,843.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,942 : 19,653 = 19,653 : x
  2. Step 2: Convert to fraction form
    12,942/19,653 = 19,653/x
  3. Step 3: Cross multiply
    12,942x = 19,653 × 19,653
  4. Step 4: Simplify right side
    12,942x = 386,240,409
  5. Step 5: Solve for x
    x = 386,240,409/12,942
  6. Step 6: Final answer
    x = 29,843.95

Related Problems

Find third proportional to 6,471 and 9,826.50
Half scale
Find third proportional to 25,884 and 39,306
Double scale
Find third proportional to 12,944 and 19,656
Similar ratio
Find third proportional to 19,413 and 29,479.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.