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Finding the Third Proportional to 3,276,657.56 and 7,183,171.13

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Solution

The third proportional to 3,276,657.56 and 7,183,171.13 is: 15,747,128.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,276,657.56 : 7,183,171.13 = 7,183,171.13 : x
  2. Step 2: Convert to fraction form
    3,276,657.56/7,183,171.13 = 7,183,171.13/x
  3. Step 3: Cross multiply
    3,276,657.56x = 7,183,171.13 × 7,183,171.13
  4. Step 4: Simplify right side
    3,276,657.56x = 51,597,947,411,033.77
  5. Step 5: Solve for x
    x = 51,597,947,411,033.77/3,276,657.56
  6. Step 6: Final answer
    x = 15,747,128.42

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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.