Home / 8,436-19,922

Finding the Third Proportional to 8,436 and 19,922

Calculator

Solution

The third proportional to 8,436 and 19,922 is: 47,046.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,436 : 19,922 = 19,922 : x
  2. Step 2: Convert to fraction form
    8,436/19,922 = 19,922/x
  3. Step 3: Cross multiply
    8,436x = 19,922 × 19,922
  4. Step 4: Simplify right side
    8,436x = 396,886,084
  5. Step 5: Solve for x
    x = 396,886,084/8,436
  6. Step 6: Final answer
    x = 47,046.71

Related Problems

Find third proportional to 4,218 and 9,961
Half scale
Find third proportional to 16,872 and 39,844
Double scale
Find third proportional to 8,438 and 19,927
Similar ratio
Find third proportional to 12,654 and 29,883
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.