Home / 178,578-270,172

Finding the Third Proportional to 178,578 and 270,172

Calculator

Solution

The third proportional to 178,578 and 270,172 is: 408,745.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,578 : 270,172 = 270,172 : x
  2. Step 2: Convert to fraction form
    178,578/270,172 = 270,172/x
  3. Step 3: Cross multiply
    178,578x = 270,172 × 270,172
  4. Step 4: Simplify right side
    178,578x = 72,992,909,584
  5. Step 5: Solve for x
    x = 72,992,909,584/178,578
  6. Step 6: Final answer
    x = 408,745.25

Related Problems

Find third proportional to 89,289 and 135,086
Half scale
Find third proportional to 357,156 and 540,344
Double scale
Find third proportional to 178,580 and 270,175
Similar ratio
Find third proportional to 267,867 and 405,258
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.