Home / 80,809-176,305

Finding the Third Proportional to 80,809 and 176,305

Calculator

Solution

The third proportional to 80,809 and 176,305 is: 384,653.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,809 : 176,305 = 176,305 : x
  2. Step 2: Convert to fraction form
    80,809/176,305 = 176,305/x
  3. Step 3: Cross multiply
    80,809x = 176,305 × 176,305
  4. Step 4: Simplify right side
    80,809x = 31,083,453,025
  5. Step 5: Solve for x
    x = 31,083,453,025/80,809
  6. Step 6: Final answer
    x = 384,653.36

Related Problems

Find third proportional to 40,404.50 and 88,152.50
Half scale
Find third proportional to 161,618 and 352,610
Double scale
Find third proportional to 80,811 and 176,309
Similar ratio
Find third proportional to 121,213.50 and 264,457.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.