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Finding the Third Proportional to 28,219 and 62,009

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Solution

The third proportional to 28,219 and 62,009 is: 136,259.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,219 : 62,009 = 62,009 : x
  2. Step 2: Convert to fraction form
    28,219/62,009 = 62,009/x
  3. Step 3: Cross multiply
    28,219x = 62,009 × 62,009
  4. Step 4: Simplify right side
    28,219x = 3,845,116,081
  5. Step 5: Solve for x
    x = 3,845,116,081/28,219
  6. Step 6: Final answer
    x = 136,259.83

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.