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Finding the Third Proportional to 904.88 and 1,413.56

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Solution

The third proportional to 904.88 and 1,413.56 is: 2,208.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    904.88 : 1,413.56 = 1,413.56 : x
  2. Step 2: Convert to fraction form
    904.88/1,413.56 = 1,413.56/x
  3. Step 3: Cross multiply
    904.88x = 1,413.56 × 1,413.56
  4. Step 4: Simplify right side
    904.88x = 1,998,158.94
  5. Step 5: Solve for x
    x = 1,998,158.94/904.88
  6. Step 6: Final answer
    x = 2,208.22

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.