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Finding the Third Proportional to 3,160,351.69 and 4,890,655.97

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Solution

The third proportional to 3,160,351.69 and 4,890,655.97 is: 7,568,308.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,160,351.69 : 4,890,655.97 = 4,890,655.97 : x
  2. Step 2: Convert to fraction form
    3,160,351.69/4,890,655.97 = 4,890,655.97/x
  3. Step 3: Cross multiply
    3,160,351.69x = 4,890,655.97 × 4,890,655.97
  4. Step 4: Simplify right side
    3,160,351.69x = 23,918,515,804,670
  5. Step 5: Solve for x
    x = 23,918,515,804,670/3,160,351.69
  6. Step 6: Final answer
    x = 7,568,308.27

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.