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Finding the Third Proportional to 65,183,728 and 143,383,904

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Solution

The third proportional to 65,183,728 and 143,383,904 is: 315,399,940.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,183,728 : 143,383,904 = 143,383,904 : x
  2. Step 2: Convert to fraction form
    65,183,728/143,383,904 = 143,383,904/x
  3. Step 3: Cross multiply
    65,183,728x = 143,383,904 × 143,383,904
  4. Step 4: Simplify right side
    65,183,728x = 20,558,943,926,281,216
  5. Step 5: Solve for x
    x = 20,558,943,926,281,216/65,183,728
  6. Step 6: Final answer
    x = 315,399,940.40

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.