Home / 8,138-8,876

Finding the Third Proportional to 8,138 and 8,876

Calculator

Solution

The third proportional to 8,138 and 8,876 is: 9,680.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,138 : 8,876 = 8,876 : x
  2. Step 2: Convert to fraction form
    8,138/8,876 = 8,876/x
  3. Step 3: Cross multiply
    8,138x = 8,876 × 8,876
  4. Step 4: Simplify right side
    8,138x = 78,783,376
  5. Step 5: Solve for x
    x = 78,783,376/8,138
  6. Step 6: Final answer
    x = 9,680.93

Related Problems

Find third proportional to 4,069 and 4,438
Half scale
Find third proportional to 16,276 and 17,752
Double scale
Find third proportional to 8,140 and 8,878
Similar ratio
Find third proportional to 12,207 and 13,314
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.