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Finding the Third Proportional to 18,805.92 and 28,579.08

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Solution

The third proportional to 18,805.92 and 28,579.08 is: 43,431.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,805.92 : 28,579.08 = 28,579.08 : x
  2. Step 2: Convert to fraction form
    18,805.92/28,579.08 = 28,579.08/x
  3. Step 3: Cross multiply
    18,805.92x = 28,579.08 × 28,579.08
  4. Step 4: Simplify right side
    18,805.92x = 816,763,706.47
  5. Step 5: Solve for x
    x = 816,763,706.47/18,805.92
  6. Step 6: Final answer
    x = 43,431.20

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.