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Finding the Third Proportional to 4,029,797,928 and 8,719,675,107

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Solution

The third proportional to 4,029,797,928 and 8,719,675,107 is: 18,867,629,427.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,029,797,928 : 8,719,675,107 = 8,719,675,107 : x
  2. Step 2: Convert to fraction form
    4,029,797,928/8,719,675,107 = 8,719,675,107/x
  3. Step 3: Cross multiply
    4,029,797,928x = 8,719,675,107 × 8,719,675,107
  4. Step 4: Simplify right side
    4,029,797,928x = 76,032,733,971,635,453,952
  5. Step 5: Solve for x
    x = 76,032,733,971,635,453,952/4,029,797,928
  6. Step 6: Final answer
    x = 18,867,629,427.11

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.