Home / 394,668-838,530

Finding the Third Proportional to 394,668 and 838,530

Calculator

Solution

The third proportional to 394,668 and 838,530 is: 1,781,579.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,668 : 838,530 = 838,530 : x
  2. Step 2: Convert to fraction form
    394,668/838,530 = 838,530/x
  3. Step 3: Cross multiply
    394,668x = 838,530 × 838,530
  4. Step 4: Simplify right side
    394,668x = 703,132,560,900
  5. Step 5: Solve for x
    x = 703,132,560,900/394,668
  6. Step 6: Final answer
    x = 1,781,579.86

Related Problems

Find third proportional to 197,334 and 419,265
Half scale
Find third proportional to 789,336 and 1,677,060
Double scale
Find third proportional to 394,670 and 838,534
Similar ratio
Find third proportional to 592,002 and 1,257,795
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.