Home / 327,989-505,993

Finding the Third Proportional to 327,989 and 505,993

Calculator

Solution

The third proportional to 327,989 and 505,993 is: 780,602.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,989 : 505,993 = 505,993 : x
  2. Step 2: Convert to fraction form
    327,989/505,993 = 505,993/x
  3. Step 3: Cross multiply
    327,989x = 505,993 × 505,993
  4. Step 4: Simplify right side
    327,989x = 256,028,916,049
  5. Step 5: Solve for x
    x = 256,028,916,049/327,989
  6. Step 6: Final answer
    x = 780,602.14

Related Problems

Find third proportional to 163,994.50 and 252,996.50
Half scale
Find third proportional to 655,978 and 1,011,986
Double scale
Find third proportional to 327,991 and 505,996
Similar ratio
Find third proportional to 491,983.50 and 758,989.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.