Home / 8,122,430-12,185,265

Finding the Third Proportional to 8,122,430 and 12,185,265

Calculator

Solution

The third proportional to 8,122,430 and 12,185,265 is: 18,280,327.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,122,430 : 12,185,265 = 12,185,265 : x
  2. Step 2: Convert to fraction form
    8,122,430/12,185,265 = 12,185,265/x
  3. Step 3: Cross multiply
    8,122,430x = 12,185,265 × 12,185,265
  4. Step 4: Simplify right side
    8,122,430x = 148,480,683,120,225
  5. Step 5: Solve for x
    x = 148,480,683,120,225/8,122,430
  6. Step 6: Final answer
    x = 18,280,327.82

Related Problems

Find third proportional to 4,061,215 and 6,092,632.50
Half scale
Find third proportional to 16,244,860 and 24,370,530
Double scale
Find third proportional to 8,122,432 and 12,185,268
Similar ratio
Find third proportional to 12,183,645 and 18,277,897.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.