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Finding the Third Proportional to 1,972,828 and 4,310,936

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Solution

The third proportional to 1,972,828 and 4,310,936 is: 9,420,065.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,972,828 : 4,310,936 = 4,310,936 : x
  2. Step 2: Convert to fraction form
    1,972,828/4,310,936 = 4,310,936/x
  3. Step 3: Cross multiply
    1,972,828x = 4,310,936 × 4,310,936
  4. Step 4: Simplify right side
    1,972,828x = 18,584,169,196,096
  5. Step 5: Solve for x
    x = 18,584,169,196,096/1,972,828
  6. Step 6: Final answer
    x = 9,420,065.61

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.