Home / 8,379-11,376

Finding the Third Proportional to 8,379 and 11,376

Calculator

Solution

The third proportional to 8,379 and 11,376 is: 15,444.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,379 : 11,376 = 11,376 : x
  2. Step 2: Convert to fraction form
    8,379/11,376 = 11,376/x
  3. Step 3: Cross multiply
    8,379x = 11,376 × 11,376
  4. Step 4: Simplify right side
    8,379x = 129,413,376
  5. Step 5: Solve for x
    x = 129,413,376/8,379
  6. Step 6: Final answer
    x = 15,444.97

Related Problems

Find third proportional to 4,189.50 and 5,688
Half scale
Find third proportional to 16,758 and 22,752
Double scale
Find third proportional to 8,381 and 11,379
Similar ratio
Find third proportional to 12,568.50 and 17,064
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.