Home / 328,878-491,995

Finding the Third Proportional to 328,878 and 491,995

Calculator

Solution

The third proportional to 328,878 and 491,995 is: 736,014.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,878 : 491,995 = 491,995 : x
  2. Step 2: Convert to fraction form
    328,878/491,995 = 491,995/x
  3. Step 3: Cross multiply
    328,878x = 491,995 × 491,995
  4. Step 4: Simplify right side
    328,878x = 242,059,080,025
  5. Step 5: Solve for x
    x = 242,059,080,025/328,878
  6. Step 6: Final answer
    x = 736,014.81

Related Problems

Find third proportional to 164,439 and 245,997.50
Half scale
Find third proportional to 657,756 and 983,990
Double scale
Find third proportional to 328,880 and 491,998
Similar ratio
Find third proportional to 493,317 and 737,992.50
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.