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Finding the Third Proportional to 3,345.52 and 7,286.99

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Solution

The third proportional to 3,345.52 and 7,286.99 is: 15,872.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,345.52 : 7,286.99 = 7,286.99 : x
  2. Step 2: Convert to fraction form
    3,345.52/7,286.99 = 7,286.99/x
  3. Step 3: Cross multiply
    3,345.52x = 7,286.99 × 7,286.99
  4. Step 4: Simplify right side
    3,345.52x = 53,100,283.61
  5. Step 5: Solve for x
    x = 53,100,283.61/3,345.52
  6. Step 6: Final answer
    x = 15,872.05

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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.