Home / 318,936-493,956

Finding the Third Proportional to 318,936 and 493,956

Calculator

Solution

The third proportional to 318,936 and 493,956 is: 765,020.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,936 : 493,956 = 493,956 : x
  2. Step 2: Convert to fraction form
    318,936/493,956 = 493,956/x
  3. Step 3: Cross multiply
    318,936x = 493,956 × 493,956
  4. Step 4: Simplify right side
    318,936x = 243,992,529,936
  5. Step 5: Solve for x
    x = 243,992,529,936/318,936
  6. Step 6: Final answer
    x = 765,020.35

Related Problems

Find third proportional to 159,468 and 246,978
Half scale
Find third proportional to 637,872 and 987,912
Double scale
Find third proportional to 318,938 and 493,959
Similar ratio
Find third proportional to 478,404 and 740,934
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.