Home / 7,430-12,238

Finding the Third Proportional to 7,430 and 12,238

Calculator

Solution

The third proportional to 7,430 and 12,238 is: 20,157.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,430 : 12,238 = 12,238 : x
  2. Step 2: Convert to fraction form
    7,430/12,238 = 12,238/x
  3. Step 3: Cross multiply
    7,430x = 12,238 × 12,238
  4. Step 4: Simplify right side
    7,430x = 149,768,644
  5. Step 5: Solve for x
    x = 149,768,644/7,430
  6. Step 6: Final answer
    x = 20,157.29

Related Problems

Find third proportional to 3,715 and 6,119
Half scale
Find third proportional to 14,860 and 24,476
Double scale
Find third proportional to 7,432 and 12,241
Similar ratio
Find third proportional to 11,145 and 18,357
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.65) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.