Home / 181,945-394,970

Finding the Third Proportional to 181,945 and 394,970

Calculator

Solution

The third proportional to 181,945 and 394,970 is: 857,409.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,945 : 394,970 = 394,970 : x
  2. Step 2: Convert to fraction form
    181,945/394,970 = 394,970/x
  3. Step 3: Cross multiply
    181,945x = 394,970 × 394,970
  4. Step 4: Simplify right side
    181,945x = 156,001,300,900
  5. Step 5: Solve for x
    x = 156,001,300,900/181,945
  6. Step 6: Final answer
    x = 857,409.11

Related Problems

Find third proportional to 90,972.50 and 197,485
Half scale
Find third proportional to 363,890 and 789,940
Double scale
Find third proportional to 181,947 and 394,974
Similar ratio
Find third proportional to 272,917.50 and 592,455
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.