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Finding the Third Proportional to 5,138,653,343.25 and 8,176,607,661

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Solution

The third proportional to 5,138,653,343.25 and 8,176,607,661 is: 13,010,590,202.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,138,653,343.25 : 8,176,607,661 = 8,176,607,661 : x
  2. Step 2: Convert to fraction form
    5,138,653,343.25/8,176,607,661 = 8,176,607,661/x
  3. Step 3: Cross multiply
    5,138,653,343.25x = 8,176,607,661 × 8,176,607,661
  4. Step 4: Simplify right side
    5,138,653,343.25x = 66,856,912,841,923,887,104
  5. Step 5: Solve for x
    x = 66,856,912,841,923,887,104/5,138,653,343.25
  6. Step 6: Final answer
    x = 13,010,590,202.54

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.