Home / 263,130-408,177

Finding the Third Proportional to 263,130 and 408,177

Calculator

Solution

The third proportional to 263,130 and 408,177 is: 633,179.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,130 : 408,177 = 408,177 : x
  2. Step 2: Convert to fraction form
    263,130/408,177 = 408,177/x
  3. Step 3: Cross multiply
    263,130x = 408,177 × 408,177
  4. Step 4: Simplify right side
    263,130x = 166,608,463,329
  5. Step 5: Solve for x
    x = 166,608,463,329/263,130
  6. Step 6: Final answer
    x = 633,179.28

Related Problems

Find third proportional to 131,565 and 204,088.50
Half scale
Find third proportional to 526,260 and 816,354
Double scale
Find third proportional to 263,132 and 408,180
Similar ratio
Find third proportional to 394,695 and 612,265.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.