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Finding the Third Proportional to 3,103,769 and 6,681,890

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Solution

The third proportional to 3,103,769 and 6,681,890 is: 14,384,979.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,103,769 : 6,681,890 = 6,681,890 : x
  2. Step 2: Convert to fraction form
    3,103,769/6,681,890 = 6,681,890/x
  3. Step 3: Cross multiply
    3,103,769x = 6,681,890 × 6,681,890
  4. Step 4: Simplify right side
    3,103,769x = 44,647,653,972,100
  5. Step 5: Solve for x
    x = 44,647,653,972,100/3,103,769
  6. Step 6: Final answer
    x = 14,384,979.67

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.