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Finding the Third Proportional to 40,388,682 and 86,935,956

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Solution

The third proportional to 40,388,682 and 86,935,956 is: 187,128,177.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,388,682 : 86,935,956 = 86,935,956 : x
  2. Step 2: Convert to fraction form
    40,388,682/86,935,956 = 86,935,956/x
  3. Step 3: Cross multiply
    40,388,682x = 86,935,956 × 86,935,956
  4. Step 4: Simplify right side
    40,388,682x = 7,557,860,445,633,936
  5. Step 5: Solve for x
    x = 7,557,860,445,633,936/40,388,682
  6. Step 6: Final answer
    x = 187,128,177.29

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.