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Finding the Third Proportional to 3,645,961.88 and 7,947,993.38

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Solution

The third proportional to 3,645,961.88 and 7,947,993.38 is: 17,326,181.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,645,961.88 : 7,947,993.38 = 7,947,993.38 : x
  2. Step 2: Convert to fraction form
    3,645,961.88/7,947,993.38 = 7,947,993.38/x
  3. Step 3: Cross multiply
    3,645,961.88x = 7,947,993.38 × 7,947,993.38
  4. Step 4: Simplify right side
    3,645,961.88x = 63,170,598,689,043.89
  5. Step 5: Solve for x
    x = 63,170,598,689,043.89/3,645,961.88
  6. Step 6: Final answer
    x = 17,326,181.91

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.