Home / 279,512-603,286

Finding the Third Proportional to 279,512 and 603,286

Calculator

Solution

The third proportional to 279,512 and 603,286 is: 1,302,105.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,512 : 603,286 = 603,286 : x
  2. Step 2: Convert to fraction form
    279,512/603,286 = 603,286/x
  3. Step 3: Cross multiply
    279,512x = 603,286 × 603,286
  4. Step 4: Simplify right side
    279,512x = 363,953,997,796
  5. Step 5: Solve for x
    x = 363,953,997,796/279,512
  6. Step 6: Final answer
    x = 1,302,105.09

Related Problems

Find third proportional to 139,756 and 301,643
Half scale
Find third proportional to 559,024 and 1,206,572
Double scale
Find third proportional to 279,514 and 603,290
Similar ratio
Find third proportional to 419,268 and 904,929
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.