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Finding the Third Proportional to 30,261,828 and 65,667,696

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Solution

The third proportional to 30,261,828 and 65,667,696 is: 142,497,878.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,261,828 : 65,667,696 = 65,667,696 : x
  2. Step 2: Convert to fraction form
    30,261,828/65,667,696 = 65,667,696/x
  3. Step 3: Cross multiply
    30,261,828x = 65,667,696 × 65,667,696
  4. Step 4: Simplify right side
    30,261,828x = 4,312,246,297,948,416
  5. Step 5: Solve for x
    x = 4,312,246,297,948,416/30,261,828
  6. Step 6: Final answer
    x = 142,497,878.78

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.