Home / 8,646-20,247

Finding the Third Proportional to 8,646 and 20,247

Calculator

Solution

The third proportional to 8,646 and 20,247 is: 47,413.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,646 : 20,247 = 20,247 : x
  2. Step 2: Convert to fraction form
    8,646/20,247 = 20,247/x
  3. Step 3: Cross multiply
    8,646x = 20,247 × 20,247
  4. Step 4: Simplify right side
    8,646x = 409,941,009
  5. Step 5: Solve for x
    x = 409,941,009/8,646
  6. Step 6: Final answer
    x = 47,413.95

Related Problems

Find third proportional to 4,323 and 10,123.50
Half scale
Find third proportional to 17,292 and 40,494
Double scale
Find third proportional to 8,648 and 20,252
Similar ratio
Find third proportional to 12,969 and 30,370.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.