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Finding the Third Proportional to 2,884.69 and 6,289.13

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Solution

The third proportional to 2,884.69 and 6,289.13 is: 13,711.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,884.69 : 6,289.13 = 6,289.13 : x
  2. Step 2: Convert to fraction form
    2,884.69/6,289.13 = 6,289.13/x
  3. Step 3: Cross multiply
    2,884.69x = 6,289.13 × 6,289.13
  4. Step 4: Simplify right side
    2,884.69x = 39,553,093.27
  5. Step 5: Solve for x
    x = 39,553,093.27/2,884.69
  6. Step 6: Final answer
    x = 13,711.40

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.