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Finding the Third Proportional to 3,285.63 and 7,097.75

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Solution

The third proportional to 3,285.63 and 7,097.75 is: 15,332.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,285.63 : 7,097.75 = 7,097.75 : x
  2. Step 2: Convert to fraction form
    3,285.63/7,097.75 = 7,097.75/x
  3. Step 3: Cross multiply
    3,285.63x = 7,097.75 × 7,097.75
  4. Step 4: Simplify right side
    3,285.63x = 50,378,055.06
  5. Step 5: Solve for x
    x = 50,378,055.06/3,285.63
  6. Step 6: Final answer
    x = 15,332.87

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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.