Home / 269,812-395,970

Finding the Third Proportional to 269,812 and 395,970

Calculator

Solution

The third proportional to 269,812 and 395,970 is: 581,116.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,812 : 395,970 = 395,970 : x
  2. Step 2: Convert to fraction form
    269,812/395,970 = 395,970/x
  3. Step 3: Cross multiply
    269,812x = 395,970 × 395,970
  4. Step 4: Simplify right side
    269,812x = 156,792,240,900
  5. Step 5: Solve for x
    x = 156,792,240,900/269,812
  6. Step 6: Final answer
    x = 581,116.63

Related Problems

Find third proportional to 134,906 and 197,985
Half scale
Find third proportional to 539,624 and 791,940
Double scale
Find third proportional to 269,814 and 395,973
Similar ratio
Find third proportional to 404,718 and 593,955
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.