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Finding the Third Proportional to 1,413.07 and 1,917.42

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Solution

The third proportional to 1,413.07 and 1,917.42 is: 2,601.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,413.07 : 1,917.42 = 1,917.42 : x
  2. Step 2: Convert to fraction form
    1,413.07/1,917.42 = 1,917.42/x
  3. Step 3: Cross multiply
    1,413.07x = 1,917.42 × 1,917.42
  4. Step 4: Simplify right side
    1,413.07x = 3,676,506.65
  5. Step 5: Solve for x
    x = 3,676,506.65/1,413.07
  6. Step 6: Final answer
    x = 2,601.79

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These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.