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Finding the Third Proportional to 19,969 and 28,873

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Solution

The third proportional to 19,969 and 28,873 is: 41,747.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,969 : 28,873 = 28,873 : x
  2. Step 2: Convert to fraction form
    19,969/28,873 = 28,873/x
  3. Step 3: Cross multiply
    19,969x = 28,873 × 28,873
  4. Step 4: Simplify right side
    19,969x = 833,650,129
  5. Step 5: Solve for x
    x = 833,650,129/19,969
  6. Step 6: Final answer
    x = 41,747.21

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Why These Related Problems?

These problems maintain the same ratio (1.45) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.