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Finding the Third Proportional to 19,287 and 29,137.50

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Solution

The third proportional to 19,287 and 29,137.50 is: 44,018.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,287 : 29,137.50 = 29,137.50 : x
  2. Step 2: Convert to fraction form
    19,287/29,137.50 = 29,137.50/x
  3. Step 3: Cross multiply
    19,287x = 29,137.50 × 29,137.50
  4. Step 4: Simplify right side
    19,287x = 848,993,906.25
  5. Step 5: Solve for x
    x = 848,993,906.25/19,287
  6. Step 6: Final answer
    x = 44,018.97

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.