Home / 275,280-400,936

Finding the Third Proportional to 275,280 and 400,936

Calculator

Solution

The third proportional to 275,280 and 400,936 is: 583,949.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,280 : 400,936 = 400,936 : x
  2. Step 2: Convert to fraction form
    275,280/400,936 = 400,936/x
  3. Step 3: Cross multiply
    275,280x = 400,936 × 400,936
  4. Step 4: Simplify right side
    275,280x = 160,749,676,096
  5. Step 5: Solve for x
    x = 160,749,676,096/275,280
  6. Step 6: Final answer
    x = 583,949.71

Related Problems

Find third proportional to 137,640 and 200,468
Half scale
Find third proportional to 550,560 and 801,872
Double scale
Find third proportional to 275,282 and 400,939
Similar ratio
Find third proportional to 412,920 and 601,404
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.