Home / 288,424-395,694

Finding the Third Proportional to 288,424 and 395,694

Calculator

Solution

The third proportional to 288,424 and 395,694 is: 542,859.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,424 : 395,694 = 395,694 : x
  2. Step 2: Convert to fraction form
    288,424/395,694 = 395,694/x
  3. Step 3: Cross multiply
    288,424x = 395,694 × 395,694
  4. Step 4: Simplify right side
    288,424x = 156,573,741,636
  5. Step 5: Solve for x
    x = 156,573,741,636/288,424
  6. Step 6: Final answer
    x = 542,859.62

Related Problems

Find third proportional to 144,212 and 197,847
Half scale
Find third proportional to 576,848 and 791,388
Double scale
Find third proportional to 288,426 and 395,697
Similar ratio
Find third proportional to 432,636 and 593,541
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.