Home / 343,513-505,004

Finding the Third Proportional to 343,513 and 505,004

Calculator

Solution

The third proportional to 343,513 and 505,004 is: 742,414.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,513 : 505,004 = 505,004 : x
  2. Step 2: Convert to fraction form
    343,513/505,004 = 505,004/x
  3. Step 3: Cross multiply
    343,513x = 505,004 × 505,004
  4. Step 4: Simplify right side
    343,513x = 255,029,040,016
  5. Step 5: Solve for x
    x = 255,029,040,016/343,513
  6. Step 6: Final answer
    x = 742,414.52

Related Problems

Find third proportional to 171,756.50 and 252,502
Half scale
Find third proportional to 687,026 and 1,010,008
Double scale
Find third proportional to 343,515 and 505,007
Similar ratio
Find third proportional to 515,269.50 and 757,506
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.