Home / 197,059-408,131

Finding the Third Proportional to 197,059 and 408,131

Calculator

Solution

The third proportional to 197,059 and 408,131 is: 845,284.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,059 : 408,131 = 408,131 : x
  2. Step 2: Convert to fraction form
    197,059/408,131 = 408,131/x
  3. Step 3: Cross multiply
    197,059x = 408,131 × 408,131
  4. Step 4: Simplify right side
    197,059x = 166,570,913,161
  5. Step 5: Solve for x
    x = 166,570,913,161/197,059
  6. Step 6: Final answer
    x = 845,284.47

Related Problems

Find third proportional to 98,529.50 and 204,065.50
Half scale
Find third proportional to 394,118 and 816,262
Double scale
Find third proportional to 197,061 and 408,135
Similar ratio
Find third proportional to 295,588.50 and 612,196.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.