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Finding the Third Proportional to 28,879 and 62,699

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Solution

The third proportional to 28,879 and 62,699 is: 136,125.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,879 : 62,699 = 62,699 : x
  2. Step 2: Convert to fraction form
    28,879/62,699 = 62,699/x
  3. Step 3: Cross multiply
    28,879x = 62,699 × 62,699
  4. Step 4: Simplify right side
    28,879x = 3,931,164,601
  5. Step 5: Solve for x
    x = 3,931,164,601/28,879
  6. Step 6: Final answer
    x = 136,125.37

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.