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Finding the Third Proportional to 18,048,576 and 39,404,508

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Solution

The third proportional to 18,048,576 and 39,404,508 is: 86,029,792.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,048,576 : 39,404,508 = 39,404,508 : x
  2. Step 2: Convert to fraction form
    18,048,576/39,404,508 = 39,404,508/x
  3. Step 3: Cross multiply
    18,048,576x = 39,404,508 × 39,404,508
  4. Step 4: Simplify right side
    18,048,576x = 1,552,715,250,722,064
  5. Step 5: Solve for x
    x = 1,552,715,250,722,064/18,048,576
  6. Step 6: Final answer
    x = 86,029,792.64

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.