Home / 336,378-505,983

Finding the Third Proportional to 336,378 and 505,983

Calculator

Solution

The third proportional to 336,378 and 505,983 is: 761,104.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,378 : 505,983 = 505,983 : x
  2. Step 2: Convert to fraction form
    336,378/505,983 = 505,983/x
  3. Step 3: Cross multiply
    336,378x = 505,983 × 505,983
  4. Step 4: Simplify right side
    336,378x = 256,018,796,289
  5. Step 5: Solve for x
    x = 256,018,796,289/336,378
  6. Step 6: Final answer
    x = 761,104.46

Related Problems

Find third proportional to 168,189 and 252,991.50
Half scale
Find third proportional to 672,756 and 1,011,966
Double scale
Find third proportional to 336,380 and 505,986
Similar ratio
Find third proportional to 504,567 and 758,974.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.