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Finding the Third Proportional to 61,198,518 and 133,163,916

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Solution

The third proportional to 61,198,518 and 133,163,916 is: 289,755,848.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,198,518 : 133,163,916 = 133,163,916 : x
  2. Step 2: Convert to fraction form
    61,198,518/133,163,916 = 133,163,916/x
  3. Step 3: Cross multiply
    61,198,518x = 133,163,916 × 133,163,916
  4. Step 4: Simplify right side
    61,198,518x = 17,732,628,524,455,056
  5. Step 5: Solve for x
    x = 17,732,628,524,455,056/61,198,518
  6. Step 6: Final answer
    x = 289,755,848.74

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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.