Home / 76,812-177,936

Finding the Third Proportional to 76,812 and 177,936

Calculator

Solution

The third proportional to 76,812 and 177,936 is: 412,191.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,812 : 177,936 = 177,936 : x
  2. Step 2: Convert to fraction form
    76,812/177,936 = 177,936/x
  3. Step 3: Cross multiply
    76,812x = 177,936 × 177,936
  4. Step 4: Simplify right side
    76,812x = 31,661,220,096
  5. Step 5: Solve for x
    x = 31,661,220,096/76,812
  6. Step 6: Final answer
    x = 412,191.07

Related Problems

Find third proportional to 38,406 and 88,968
Half scale
Find third proportional to 153,624 and 355,872
Double scale
Find third proportional to 76,814 and 177,941
Similar ratio
Find third proportional to 115,218 and 266,904
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.