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Finding the Third Proportional to 4,115,628 and 8,863,378

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Solution

The third proportional to 4,115,628 and 8,863,378 is: 19,088,088.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,115,628 : 8,863,378 = 8,863,378 : x
  2. Step 2: Convert to fraction form
    4,115,628/8,863,378 = 8,863,378/x
  3. Step 3: Cross multiply
    4,115,628x = 8,863,378 × 8,863,378
  4. Step 4: Simplify right side
    4,115,628x = 78,559,469,570,884
  5. Step 5: Solve for x
    x = 78,559,469,570,884/4,115,628
  6. Step 6: Final answer
    x = 19,088,088.03

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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.