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Finding the Third Proportional to 3,753 and 7,858.50

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Solution

The third proportional to 3,753 and 7,858.50 is: 16,455.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,753 : 7,858.50 = 7,858.50 : x
  2. Step 2: Convert to fraction form
    3,753/7,858.50 = 7,858.50/x
  3. Step 3: Cross multiply
    3,753x = 7,858.50 × 7,858.50
  4. Step 4: Simplify right side
    3,753x = 61,756,022.25
  5. Step 5: Solve for x
    x = 61,756,022.25/3,753
  6. Step 6: Final answer
    x = 16,455.11

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Why These Related Problems?

These problems maintain the same ratio (2.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.