Home / 203,909-310,183

Finding the Third Proportional to 203,909 and 310,183

Calculator

Solution

The third proportional to 203,909 and 310,183 is: 471,845.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,909 : 310,183 = 310,183 : x
  2. Step 2: Convert to fraction form
    203,909/310,183 = 310,183/x
  3. Step 3: Cross multiply
    203,909x = 310,183 × 310,183
  4. Step 4: Simplify right side
    203,909x = 96,213,493,489
  5. Step 5: Solve for x
    x = 96,213,493,489/203,909
  6. Step 6: Final answer
    x = 471,845.25

Related Problems

Find third proportional to 101,954.50 and 155,091.50
Half scale
Find third proportional to 407,818 and 620,366
Double scale
Find third proportional to 203,911 and 310,186
Similar ratio
Find third proportional to 305,863.50 and 465,274.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.