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Finding the Third Proportional to 3,264.81 and 7,020.69

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Solution

The third proportional to 3,264.81 and 7,020.69 is: 15,097.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,264.81 : 7,020.69 = 7,020.69 : x
  2. Step 2: Convert to fraction form
    3,264.81/7,020.69 = 7,020.69/x
  3. Step 3: Cross multiply
    3,264.81x = 7,020.69 × 7,020.69
  4. Step 4: Simplify right side
    3,264.81x = 49,290,052.97
  5. Step 5: Solve for x
    x = 49,290,052.97/3,264.81
  6. Step 6: Final answer
    x = 15,097.36

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.