Home / 263,908-398,118

Finding the Third Proportional to 263,908 and 398,118

Calculator

Solution

The third proportional to 263,908 and 398,118 is: 600,580.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,908 : 398,118 = 398,118 : x
  2. Step 2: Convert to fraction form
    263,908/398,118 = 398,118/x
  3. Step 3: Cross multiply
    263,908x = 398,118 × 398,118
  4. Step 4: Simplify right side
    263,908x = 158,497,941,924
  5. Step 5: Solve for x
    x = 158,497,941,924/263,908
  6. Step 6: Final answer
    x = 600,580.29

Related Problems

Find third proportional to 131,954 and 199,059
Half scale
Find third proportional to 527,816 and 796,236
Double scale
Find third proportional to 263,910 and 398,121
Similar ratio
Find third proportional to 395,862 and 597,177
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.