Home / 8,379-13,338

Finding the Third Proportional to 8,379 and 13,338

Calculator

Solution

The third proportional to 8,379 and 13,338 is: 21,231.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,379 : 13,338 = 13,338 : x
  2. Step 2: Convert to fraction form
    8,379/13,338 = 13,338/x
  3. Step 3: Cross multiply
    8,379x = 13,338 × 13,338
  4. Step 4: Simplify right side
    8,379x = 177,902,244
  5. Step 5: Solve for x
    x = 177,902,244/8,379
  6. Step 6: Final answer
    x = 21,231.92

Related Problems

Find third proportional to 4,189.50 and 6,669
Half scale
Find third proportional to 16,758 and 26,676
Double scale
Find third proportional to 8,381 and 13,341
Similar ratio
Find third proportional to 12,568.50 and 20,007
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.