Home / 263,781-408,701.25

Finding the Third Proportional to 263,781 and 408,701.25

Calculator

Solution

The third proportional to 263,781 and 408,701.25 is: 633,240.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,781 : 408,701.25 = 408,701.25 : x
  2. Step 2: Convert to fraction form
    263,781/408,701.25 = 408,701.25/x
  3. Step 3: Cross multiply
    263,781x = 408,701.25 × 408,701.25
  4. Step 4: Simplify right side
    263,781x = 167,036,711,751.56
  5. Step 5: Solve for x
    x = 167,036,711,751.56/263,781
  6. Step 6: Final answer
    x = 633,240.12

Related Problems

Find third proportional to 131,890.50 and 204,350.63
Half scale
Find third proportional to 527,562 and 817,402.50
Double scale
Find third proportional to 263,783 and 408,704
Similar ratio
Find third proportional to 395,671.50 and 613,051.88
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.