Home / 279,857-603,940

Finding the Third Proportional to 279,857 and 603,940

Calculator

Solution

The third proportional to 279,857 and 603,940 is: 1,303,321.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,857 : 603,940 = 603,940 : x
  2. Step 2: Convert to fraction form
    279,857/603,940 = 603,940/x
  3. Step 3: Cross multiply
    279,857x = 603,940 × 603,940
  4. Step 4: Simplify right side
    279,857x = 364,743,523,600
  5. Step 5: Solve for x
    x = 364,743,523,600/279,857
  6. Step 6: Final answer
    x = 1,303,321.07

Related Problems

Find third proportional to 139,928.50 and 301,970
Half scale
Find third proportional to 559,714 and 1,207,880
Double scale
Find third proportional to 279,859 and 603,944
Similar ratio
Find third proportional to 419,785.50 and 905,910
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.