Home / 81,752-179,728

Finding the Third Proportional to 81,752 and 179,728

Calculator

Solution

The third proportional to 81,752 and 179,728 is: 395,123.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,752 : 179,728 = 179,728 : x
  2. Step 2: Convert to fraction form
    81,752/179,728 = 179,728/x
  3. Step 3: Cross multiply
    81,752x = 179,728 × 179,728
  4. Step 4: Simplify right side
    81,752x = 32,302,153,984
  5. Step 5: Solve for x
    x = 32,302,153,984/81,752
  6. Step 6: Final answer
    x = 395,123.72

Related Problems

Find third proportional to 40,876 and 89,864
Half scale
Find third proportional to 163,504 and 359,456
Double scale
Find third proportional to 81,754 and 179,732
Similar ratio
Find third proportional to 122,628 and 269,592
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.