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Finding the Third Proportional to 2,299.64 and 4,963.78

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Solution

The third proportional to 2,299.64 and 4,963.78 is: 10,714.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,299.64 : 4,963.78 = 4,963.78 : x
  2. Step 2: Convert to fraction form
    2,299.64/4,963.78 = 4,963.78/x
  3. Step 3: Cross multiply
    2,299.64x = 4,963.78 × 4,963.78
  4. Step 4: Simplify right side
    2,299.64x = 24,639,124.30
  5. Step 5: Solve for x
    x = 24,639,124.30/2,299.64
  6. Step 6: Final answer
    x = 10,714.34

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.