Home / 131,742-198,774

Finding the Third Proportional to 131,742 and 198,774

Calculator

Solution

The third proportional to 131,742 and 198,774 is: 299,912.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,742 : 198,774 = 198,774 : x
  2. Step 2: Convert to fraction form
    131,742/198,774 = 198,774/x
  3. Step 3: Cross multiply
    131,742x = 198,774 × 198,774
  4. Step 4: Simplify right side
    131,742x = 39,511,103,076
  5. Step 5: Solve for x
    x = 39,511,103,076/131,742
  6. Step 6: Final answer
    x = 299,912.73

Related Problems

Find third proportional to 65,871 and 99,387
Half scale
Find third proportional to 263,484 and 397,548
Double scale
Find third proportional to 131,744 and 198,777
Similar ratio
Find third proportional to 197,613 and 298,161
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.