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Finding the Third Proportional to 3,614.63 and 7,819.03

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Solution

The third proportional to 3,614.63 and 7,819.03 is: 16,913.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,614.63 : 7,819.03 = 7,819.03 : x
  2. Step 2: Convert to fraction form
    3,614.63/7,819.03 = 7,819.03/x
  3. Step 3: Cross multiply
    3,614.63x = 7,819.03 × 7,819.03
  4. Step 4: Simplify right side
    3,614.63x = 61,137,249.69
  5. Step 5: Solve for x
    x = 61,137,249.69/3,614.63
  6. Step 6: Final answer
    x = 16,913.86

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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.