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Finding the Third Proportional to 1,291,791.38 and 3,017,248.31

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Solution

The third proportional to 1,291,791.38 and 3,017,248.31 is: 7,047,413.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,291,791.38 : 3,017,248.31 = 3,017,248.31 : x
  2. Step 2: Convert to fraction form
    1,291,791.38/3,017,248.31 = 3,017,248.31/x
  3. Step 3: Cross multiply
    1,291,791.38x = 3,017,248.31 × 3,017,248.31
  4. Step 4: Simplify right side
    1,291,791.38x = 9,103,787,379,284.10
  5. Step 5: Solve for x
    x = 9,103,787,379,284.10/1,291,791.38
  6. Step 6: Final answer
    x = 7,047,413.04

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Why These Related Problems?

These problems maintain the same ratio (2.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.