Home / 394,040-842,836

Finding the Third Proportional to 394,040 and 842,836

Calculator

Solution

The third proportional to 394,040 and 842,836 is: 1,802,792.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,040 : 842,836 = 842,836 : x
  2. Step 2: Convert to fraction form
    394,040/842,836 = 842,836/x
  3. Step 3: Cross multiply
    394,040x = 842,836 × 842,836
  4. Step 4: Simplify right side
    394,040x = 710,372,522,896
  5. Step 5: Solve for x
    x = 710,372,522,896/394,040
  6. Step 6: Final answer
    x = 1,802,792.92

Related Problems

Find third proportional to 197,020 and 421,418
Half scale
Find third proportional to 788,080 and 1,685,672
Double scale
Find third proportional to 394,042 and 842,840
Similar ratio
Find third proportional to 591,060 and 1,264,254
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.