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Finding the Third Proportional to 3,571,453.69 and 7,715,968.88

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Solution

The third proportional to 3,571,453.69 and 7,715,968.88 is: 16,670,011.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,571,453.69 : 7,715,968.88 = 7,715,968.88 : x
  2. Step 2: Convert to fraction form
    3,571,453.69/7,715,968.88 = 7,715,968.88/x
  3. Step 3: Cross multiply
    3,571,453.69x = 7,715,968.88 × 7,715,968.88
  4. Step 4: Simplify right side
    3,571,453.69x = 59,536,175,679,968.77
  5. Step 5: Solve for x
    x = 59,536,175,679,968.77/3,571,453.69
  6. Step 6: Final answer
    x = 16,670,011.96

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.