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Finding the Third Proportional to 505,450.13 and 758,413.13

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Solution

The third proportional to 505,450.13 and 758,413.13 is: 1,137,976.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,450.13 : 758,413.13 = 758,413.13 : x
  2. Step 2: Convert to fraction form
    505,450.13/758,413.13 = 758,413.13/x
  3. Step 3: Cross multiply
    505,450.13x = 758,413.13 × 758,413.13
  4. Step 4: Simplify right side
    505,450.13x = 575,190,468,172.27
  5. Step 5: Solve for x
    x = 575,190,468,172.27/505,450.13
  6. Step 6: Final answer
    x = 1,137,976.71

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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.