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Finding the Third Proportional to 54,977,961 and 80,784,054

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Solution

The third proportional to 54,977,961 and 80,784,054 is: 118,703,263.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,977,961 : 80,784,054 = 80,784,054 : x
  2. Step 2: Convert to fraction form
    54,977,961/80,784,054 = 80,784,054/x
  3. Step 3: Cross multiply
    54,977,961x = 80,784,054 × 80,784,054
  4. Step 4: Simplify right side
    54,977,961x = 6,526,063,380,674,916
  5. Step 5: Solve for x
    x = 6,526,063,380,674,916/54,977,961
  6. Step 6: Final answer
    x = 118,703,263.31

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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.