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Finding the Third Proportional to 7,288 and 14,888

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Solution

The third proportional to 7,288 and 14,888 is: 30,413.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,288 : 14,888 = 14,888 : x
  2. Step 2: Convert to fraction form
    7,288/14,888 = 14,888/x
  3. Step 3: Cross multiply
    7,288x = 14,888 × 14,888
  4. Step 4: Simplify right side
    7,288x = 221,652,544
  5. Step 5: Solve for x
    x = 221,652,544/7,288
  6. Step 6: Final answer
    x = 30,413.36

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Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.