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Finding the Third Proportional to 3,875.63 and 8,394.75

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Solution

The third proportional to 3,875.63 and 8,394.75 is: 18,183.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,875.63 : 8,394.75 = 8,394.75 : x
  2. Step 2: Convert to fraction form
    3,875.63/8,394.75 = 8,394.75/x
  3. Step 3: Cross multiply
    3,875.63x = 8,394.75 × 8,394.75
  4. Step 4: Simplify right side
    3,875.63x = 70,471,827.56
  5. Step 5: Solve for x
    x = 70,471,827.56/3,875.63
  6. Step 6: Final answer
    x = 18,183.35

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.