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Finding the Third Proportional to 90,860,027 and 198,371,873

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Solution

The third proportional to 90,860,027 and 198,371,873 is: 433,099,144.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,860,027 : 198,371,873 = 198,371,873 : x
  2. Step 2: Convert to fraction form
    90,860,027/198,371,873 = 198,371,873/x
  3. Step 3: Cross multiply
    90,860,027x = 198,371,873 × 198,371,873
  4. Step 4: Simplify right side
    90,860,027x = 39,351,399,997,528,128
  5. Step 5: Solve for x
    x = 39,351,399,997,528,128/90,860,027
  6. Step 6: Final answer
    x = 433,099,144.88

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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.