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Finding the Third Proportional to 1,379,040.19 and 3,019,654.69

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Solution

The third proportional to 1,379,040.19 and 3,019,654.69 is: 6,612,073.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,379,040.19 : 3,019,654.69 = 3,019,654.69 : x
  2. Step 2: Convert to fraction form
    1,379,040.19/3,019,654.69 = 3,019,654.69/x
  3. Step 3: Cross multiply
    1,379,040.19x = 3,019,654.69 × 3,019,654.69
  4. Step 4: Simplify right side
    1,379,040.19x = 9,118,314,431,740.72
  5. Step 5: Solve for x
    x = 9,118,314,431,740.72/1,379,040.19
  6. Step 6: Final answer
    x = 6,612,073.03

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.