Home / 144,676-221,183

Finding the Third Proportional to 144,676 and 221,183

Calculator

Solution

The third proportional to 144,676 and 221,183 is: 338,148.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,676 : 221,183 = 221,183 : x
  2. Step 2: Convert to fraction form
    144,676/221,183 = 221,183/x
  3. Step 3: Cross multiply
    144,676x = 221,183 × 221,183
  4. Step 4: Simplify right side
    144,676x = 48,921,919,489
  5. Step 5: Solve for x
    x = 48,921,919,489/144,676
  6. Step 6: Final answer
    x = 338,148.13

Related Problems

Find third proportional to 72,338 and 110,591.50
Half scale
Find third proportional to 289,352 and 442,366
Double scale
Find third proportional to 144,678 and 221,186
Similar ratio
Find third proportional to 217,014 and 331,774.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.