Home / 285,715-603,238

Finding the Third Proportional to 285,715 and 603,238

Calculator

Solution

The third proportional to 285,715 and 603,238 is: 1,273,633.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,715 : 603,238 = 603,238 : x
  2. Step 2: Convert to fraction form
    285,715/603,238 = 603,238/x
  3. Step 3: Cross multiply
    285,715x = 603,238 × 603,238
  4. Step 4: Simplify right side
    285,715x = 363,896,084,644
  5. Step 5: Solve for x
    x = 363,896,084,644/285,715
  6. Step 6: Final answer
    x = 1,273,633.11

Related Problems

Find third proportional to 142,857.50 and 301,619
Half scale
Find third proportional to 571,430 and 1,206,476
Double scale
Find third proportional to 285,717 and 603,242
Similar ratio
Find third proportional to 428,572.50 and 904,857
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.