Home / 204,812-317,998

Finding the Third Proportional to 204,812 and 317,998

Calculator

Solution

The third proportional to 204,812 and 317,998 is: 493,734.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,812 : 317,998 = 317,998 : x
  2. Step 2: Convert to fraction form
    204,812/317,998 = 317,998/x
  3. Step 3: Cross multiply
    204,812x = 317,998 × 317,998
  4. Step 4: Simplify right side
    204,812x = 101,122,728,004
  5. Step 5: Solve for x
    x = 101,122,728,004/204,812
  6. Step 6: Final answer
    x = 493,734.39

Related Problems

Find third proportional to 102,406 and 158,999
Half scale
Find third proportional to 409,624 and 635,996
Double scale
Find third proportional to 204,814 and 318,001
Similar ratio
Find third proportional to 307,218 and 476,997
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.