Home / 133,647-288,183

Finding the Third Proportional to 133,647 and 288,183

Calculator

Solution

The third proportional to 133,647 and 288,183 is: 621,408.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,647 : 288,183 = 288,183 : x
  2. Step 2: Convert to fraction form
    133,647/288,183 = 288,183/x
  3. Step 3: Cross multiply
    133,647x = 288,183 × 288,183
  4. Step 4: Simplify right side
    133,647x = 83,049,441,489
  5. Step 5: Solve for x
    x = 83,049,441,489/133,647
  6. Step 6: Final answer
    x = 621,408.95

Related Problems

Find third proportional to 66,823.50 and 144,091.50
Half scale
Find third proportional to 267,294 and 576,366
Double scale
Find third proportional to 133,649 and 288,187
Similar ratio
Find third proportional to 200,470.50 and 432,274.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.