Home / 8,474-18,126

Finding the Third Proportional to 8,474 and 18,126

Calculator

Solution

The third proportional to 8,474 and 18,126 is: 38,771.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,474 : 18,126 = 18,126 : x
  2. Step 2: Convert to fraction form
    8,474/18,126 = 18,126/x
  3. Step 3: Cross multiply
    8,474x = 18,126 × 18,126
  4. Step 4: Simplify right side
    8,474x = 328,551,876
  5. Step 5: Solve for x
    x = 328,551,876/8,474
  6. Step 6: Final answer
    x = 38,771.76

Related Problems

Find third proportional to 4,237 and 9,063
Half scale
Find third proportional to 16,948 and 36,252
Double scale
Find third proportional to 8,476 and 18,130
Similar ratio
Find third proportional to 12,711 and 27,189
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.