Home / 198,831-301,143

Finding the Third Proportional to 198,831 and 301,143

Calculator

Solution

The third proportional to 198,831 and 301,143 is: 456,101.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,831 : 301,143 = 301,143 : x
  2. Step 2: Convert to fraction form
    198,831/301,143 = 301,143/x
  3. Step 3: Cross multiply
    198,831x = 301,143 × 301,143
  4. Step 4: Simplify right side
    198,831x = 90,687,106,449
  5. Step 5: Solve for x
    x = 90,687,106,449/198,831
  6. Step 6: Final answer
    x = 456,101.45

Related Problems

Find third proportional to 99,415.50 and 150,571.50
Half scale
Find third proportional to 397,662 and 602,286
Double scale
Find third proportional to 198,833 and 301,146
Similar ratio
Find third proportional to 298,246.50 and 451,714.50
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.