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Finding the Third Proportional to 7,963.88 and 16,854.75

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Solution

The third proportional to 7,963.88 and 16,854.75 is: 35,671.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,963.88 : 16,854.75 = 16,854.75 : x
  2. Step 2: Convert to fraction form
    7,963.88/16,854.75 = 16,854.75/x
  3. Step 3: Cross multiply
    7,963.88x = 16,854.75 × 16,854.75
  4. Step 4: Simplify right side
    7,963.88x = 284,082,597.56
  5. Step 5: Solve for x
    x = 284,082,597.56/7,963.88
  6. Step 6: Final answer
    x = 35,671.40

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.