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Finding the Third Proportional to 54,977,963 and 80,784,057

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Solution

The third proportional to 54,977,963 and 80,784,057 is: 118,703,267.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,977,963 : 80,784,057 = 80,784,057 : x
  2. Step 2: Convert to fraction form
    54,977,963/80,784,057 = 80,784,057/x
  3. Step 3: Cross multiply
    54,977,963x = 80,784,057 × 80,784,057
  4. Step 4: Simplify right side
    54,977,963x = 6,526,063,865,379,249
  5. Step 5: Solve for x
    x = 6,526,063,865,379,249/54,977,963
  6. Step 6: Final answer
    x = 118,703,267.81

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.