Home / 203,893-479,720

Finding the Third Proportional to 203,893 and 479,720

Calculator

Solution

The third proportional to 203,893 and 479,720 is: 1,128,686.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,893 : 479,720 = 479,720 : x
  2. Step 2: Convert to fraction form
    203,893/479,720 = 479,720/x
  3. Step 3: Cross multiply
    203,893x = 479,720 × 479,720
  4. Step 4: Simplify right side
    203,893x = 230,131,278,400
  5. Step 5: Solve for x
    x = 230,131,278,400/203,893
  6. Step 6: Final answer
    x = 1,128,686.51

Related Problems

Find third proportional to 101,946.50 and 239,860
Half scale
Find third proportional to 407,786 and 959,440
Double scale
Find third proportional to 203,895 and 479,725
Similar ratio
Find third proportional to 305,839.50 and 719,580
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.