Home / 262,764-408,276

Finding the Third Proportional to 262,764 and 408,276

Calculator

Solution

The third proportional to 262,764 and 408,276 is: 634,368.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,764 : 408,276 = 408,276 : x
  2. Step 2: Convert to fraction form
    262,764/408,276 = 408,276/x
  3. Step 3: Cross multiply
    262,764x = 408,276 × 408,276
  4. Step 4: Simplify right side
    262,764x = 166,689,292,176
  5. Step 5: Solve for x
    x = 166,689,292,176/262,764
  6. Step 6: Final answer
    x = 634,368.83

Related Problems

Find third proportional to 131,382 and 204,138
Half scale
Find third proportional to 525,528 and 816,552
Double scale
Find third proportional to 262,766 and 408,279
Similar ratio
Find third proportional to 394,146 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.