Home / 312,228-493,938

Finding the Third Proportional to 312,228 and 493,938

Calculator

Solution

The third proportional to 312,228 and 493,938 is: 781,399.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,228 : 493,938 = 493,938 : x
  2. Step 2: Convert to fraction form
    312,228/493,938 = 493,938/x
  3. Step 3: Cross multiply
    312,228x = 493,938 × 493,938
  4. Step 4: Simplify right side
    312,228x = 243,974,747,844
  5. Step 5: Solve for x
    x = 243,974,747,844/312,228
  6. Step 6: Final answer
    x = 781,399.32

Related Problems

Find third proportional to 156,114 and 246,969
Half scale
Find third proportional to 624,456 and 987,876
Double scale
Find third proportional to 312,230 and 493,941
Similar ratio
Find third proportional to 468,342 and 740,907
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.