Home / 263,630-408,551

Finding the Third Proportional to 263,630 and 408,551

Calculator

Solution

The third proportional to 263,630 and 408,551 is: 633,137.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,630 : 408,551 = 408,551 : x
  2. Step 2: Convert to fraction form
    263,630/408,551 = 408,551/x
  3. Step 3: Cross multiply
    263,630x = 408,551 × 408,551
  4. Step 4: Simplify right side
    263,630x = 166,913,919,601
  5. Step 5: Solve for x
    x = 166,913,919,601/263,630
  6. Step 6: Final answer
    x = 633,137.05

Related Problems

Find third proportional to 131,815 and 204,275.50
Half scale
Find third proportional to 527,260 and 817,102
Double scale
Find third proportional to 263,632 and 408,554
Similar ratio
Find third proportional to 395,445 and 612,826.50
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.