Home / 3,680-8,126

Finding the Third Proportional to 3,680 and 8,126

Calculator

Solution

The third proportional to 3,680 and 8,126 is: 17,943.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,680 : 8,126 = 8,126 : x
  2. Step 2: Convert to fraction form
    3,680/8,126 = 8,126/x
  3. Step 3: Cross multiply
    3,680x = 8,126 × 8,126
  4. Step 4: Simplify right side
    3,680x = 66,031,876
  5. Step 5: Solve for x
    x = 66,031,876/3,680
  6. Step 6: Final answer
    x = 17,943.44

Related Problems

Find third proportional to 1,840 and 4,063
Half scale
Find third proportional to 7,360 and 16,252
Double scale
Find third proportional to 3,682 and 8,130
Similar ratio
Find third proportional to 5,520 and 12,189
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.21) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.