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Finding the Third Proportional to 5,521,898 and 11,863,496

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Solution

The third proportional to 5,521,898 and 11,863,496 is: 25,488,072.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,521,898 : 11,863,496 = 11,863,496 : x
  2. Step 2: Convert to fraction form
    5,521,898/11,863,496 = 11,863,496/x
  3. Step 3: Cross multiply
    5,521,898x = 11,863,496 × 11,863,496
  4. Step 4: Simplify right side
    5,521,898x = 140,742,537,342,016
  5. Step 5: Solve for x
    x = 140,742,537,342,016/5,521,898
  6. Step 6: Final answer
    x = 25,488,072.64

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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.