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Finding the Third Proportional to 3,382 and 7,270

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Solution

The third proportional to 3,382 and 7,270 is: 15,627.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,382 : 7,270 = 7,270 : x
  2. Step 2: Convert to fraction form
    3,382/7,270 = 7,270/x
  3. Step 3: Cross multiply
    3,382x = 7,270 × 7,270
  4. Step 4: Simplify right side
    3,382x = 52,852,900
  5. Step 5: Solve for x
    x = 52,852,900/3,382
  6. Step 6: Final answer
    x = 15,627.71

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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.