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Finding the Third Proportional to 28,488 and 62,339

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Solution

The third proportional to 28,488 and 62,339 is: 136,413.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,488 : 62,339 = 62,339 : x
  2. Step 2: Convert to fraction form
    28,488/62,339 = 62,339/x
  3. Step 3: Cross multiply
    28,488x = 62,339 × 62,339
  4. Step 4: Simplify right side
    28,488x = 3,886,150,921
  5. Step 5: Solve for x
    x = 3,886,150,921/28,488
  6. Step 6: Final answer
    x = 136,413.61

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.