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Finding the Third Proportional to 7,894.88 and 16,884.38

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Solution

The third proportional to 7,894.88 and 16,884.38 is: 36,109.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,894.88 : 16,884.38 = 16,884.38 : x
  2. Step 2: Convert to fraction form
    7,894.88/16,884.38 = 16,884.38/x
  3. Step 3: Cross multiply
    7,894.88x = 16,884.38 × 16,884.38
  4. Step 4: Simplify right side
    7,894.88x = 285,082,119.14
  5. Step 5: Solve for x
    x = 285,082,119.14/7,894.88
  6. Step 6: Final answer
    x = 36,109.77

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.