Home / 174,728-379,128

Finding the Third Proportional to 174,728 and 379,128

Calculator

Solution

The third proportional to 174,728 and 379,128 is: 822,638.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,728 : 379,128 = 379,128 : x
  2. Step 2: Convert to fraction form
    174,728/379,128 = 379,128/x
  3. Step 3: Cross multiply
    174,728x = 379,128 × 379,128
  4. Step 4: Simplify right side
    174,728x = 143,738,040,384
  5. Step 5: Solve for x
    x = 143,738,040,384/174,728
  6. Step 6: Final answer
    x = 822,638.85

Related Problems

Find third proportional to 87,364 and 189,564
Half scale
Find third proportional to 349,456 and 758,256
Double scale
Find third proportional to 174,730 and 379,132
Similar ratio
Find third proportional to 262,092 and 568,692
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.