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Finding the Third Proportional to 9,273,105 and 19,917,378

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Solution

The third proportional to 9,273,105 and 19,917,378 is: 42,779,839.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,273,105 : 19,917,378 = 19,917,378 : x
  2. Step 2: Convert to fraction form
    9,273,105/19,917,378 = 19,917,378/x
  3. Step 3: Cross multiply
    9,273,105x = 19,917,378 × 19,917,378
  4. Step 4: Simplify right side
    9,273,105x = 396,701,946,394,884
  5. Step 5: Solve for x
    x = 396,701,946,394,884/9,273,105
  6. Step 6: Final answer
    x = 42,779,839.80

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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.