Home / 195,812-422,728

Finding the Third Proportional to 195,812 and 422,728

Calculator

Solution

The third proportional to 195,812 and 422,728 is: 912,604.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,812 : 422,728 = 422,728 : x
  2. Step 2: Convert to fraction form
    195,812/422,728 = 422,728/x
  3. Step 3: Cross multiply
    195,812x = 422,728 × 422,728
  4. Step 4: Simplify right side
    195,812x = 178,698,961,984
  5. Step 5: Solve for x
    x = 178,698,961,984/195,812
  6. Step 6: Final answer
    x = 912,604.75

Related Problems

Find third proportional to 97,906 and 211,364
Half scale
Find third proportional to 391,624 and 845,456
Double scale
Find third proportional to 195,814 and 422,732
Similar ratio
Find third proportional to 293,718 and 634,092
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.