Home / 81,571-180,610

Finding the Third Proportional to 81,571 and 180,610

Calculator

Solution

The third proportional to 81,571 and 180,610 is: 399,896.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,571 : 180,610 = 180,610 : x
  2. Step 2: Convert to fraction form
    81,571/180,610 = 180,610/x
  3. Step 3: Cross multiply
    81,571x = 180,610 × 180,610
  4. Step 4: Simplify right side
    81,571x = 32,619,972,100
  5. Step 5: Solve for x
    x = 32,619,972,100/81,571
  6. Step 6: Final answer
    x = 399,896.68

Related Problems

Find third proportional to 40,785.50 and 90,305
Half scale
Find third proportional to 163,142 and 361,220
Double scale
Find third proportional to 81,573 and 180,614
Similar ratio
Find third proportional to 122,356.50 and 270,915
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.21) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.