Home / 263,196-408,276

Finding the Third Proportional to 263,196 and 408,276

Calculator

Solution

The third proportional to 263,196 and 408,276 is: 633,327.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,196 : 408,276 = 408,276 : x
  2. Step 2: Convert to fraction form
    263,196/408,276 = 408,276/x
  3. Step 3: Cross multiply
    263,196x = 408,276 × 408,276
  4. Step 4: Simplify right side
    263,196x = 166,689,292,176
  5. Step 5: Solve for x
    x = 166,689,292,176/263,196
  6. Step 6: Final answer
    x = 633,327.60

Related Problems

Find third proportional to 131,598 and 204,138
Half scale
Find third proportional to 526,392 and 816,552
Double scale
Find third proportional to 263,198 and 408,279
Similar ratio
Find third proportional to 394,794 and 612,414
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.