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Finding the Third Proportional to 3,858.75 and 9,382.50

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Solution

The third proportional to 3,858.75 and 9,382.50 is: 22,813.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,858.75 : 9,382.50 = 9,382.50 : x
  2. Step 2: Convert to fraction form
    3,858.75/9,382.50 = 9,382.50/x
  3. Step 3: Cross multiply
    3,858.75x = 9,382.50 × 9,382.50
  4. Step 4: Simplify right side
    3,858.75x = 88,031,306.25
  5. Step 5: Solve for x
    x = 88,031,306.25/3,858.75
  6. Step 6: Final answer
    x = 22,813.43

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Why These Related Problems?

These problems maintain the same ratio (2.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.