Home / 172,668-407,028

Finding the Third Proportional to 172,668 and 407,028

Calculator

Solution

The third proportional to 172,668 and 407,028 is: 959,481.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,668 : 407,028 = 407,028 : x
  2. Step 2: Convert to fraction form
    172,668/407,028 = 407,028/x
  3. Step 3: Cross multiply
    172,668x = 407,028 × 407,028
  4. Step 4: Simplify right side
    172,668x = 165,671,792,784
  5. Step 5: Solve for x
    x = 165,671,792,784/172,668
  6. Step 6: Final answer
    x = 959,481.74

Related Problems

Find third proportional to 86,334 and 203,514
Half scale
Find third proportional to 345,336 and 814,056
Double scale
Find third proportional to 172,670 and 407,033
Similar ratio
Find third proportional to 259,002 and 610,542
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.