Home / 119,872-172,668

Finding the Third Proportional to 119,872 and 172,668

Calculator

Solution

The third proportional to 119,872 and 172,668 is: 248,717.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,872 : 172,668 = 172,668 : x
  2. Step 2: Convert to fraction form
    119,872/172,668 = 172,668/x
  3. Step 3: Cross multiply
    119,872x = 172,668 × 172,668
  4. Step 4: Simplify right side
    119,872x = 29,814,238,224
  5. Step 5: Solve for x
    x = 29,814,238,224/119,872
  6. Step 6: Final answer
    x = 248,717.28

Related Problems

Find third proportional to 59,936 and 86,334
Half scale
Find third proportional to 239,744 and 345,336
Double scale
Find third proportional to 119,874 and 172,671
Similar ratio
Find third proportional to 179,808 and 259,002
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.