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Finding the Third Proportional to 41,638,018 and 90,219,218

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Solution

The third proportional to 41,638,018 and 90,219,218 is: 195,482,582.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,638,018 : 90,219,218 = 90,219,218 : x
  2. Step 2: Convert to fraction form
    41,638,018/90,219,218 = 90,219,218/x
  3. Step 3: Cross multiply
    41,638,018x = 90,219,218 × 90,219,218
  4. Step 4: Simplify right side
    41,638,018x = 8,139,507,296,531,524
  5. Step 5: Solve for x
    x = 8,139,507,296,531,524/41,638,018
  6. Step 6: Final answer
    x = 195,482,582.69

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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.