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Finding the Third Proportional to 3,538,213.25 and 7,738,881.25

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Solution

The third proportional to 3,538,213.25 and 7,738,881.25 is: 16,926,702.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,538,213.25 : 7,738,881.25 = 7,738,881.25 : x
  2. Step 2: Convert to fraction form
    3,538,213.25/7,738,881.25 = 7,738,881.25/x
  3. Step 3: Cross multiply
    3,538,213.25x = 7,738,881.25 × 7,738,881.25
  4. Step 4: Simplify right side
    3,538,213.25x = 59,890,283,001,601.56
  5. Step 5: Solve for x
    x = 59,890,283,001,601.56/3,538,213.25
  6. Step 6: Final answer
    x = 16,926,702.48

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.