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Finding the Third Proportional to 16,260.75 and 17,664.75

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Solution

The third proportional to 16,260.75 and 17,664.75 is: 19,189.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,260.75 : 17,664.75 = 17,664.75 : x
  2. Step 2: Convert to fraction form
    16,260.75/17,664.75 = 17,664.75/x
  3. Step 3: Cross multiply
    16,260.75x = 17,664.75 × 17,664.75
  4. Step 4: Simplify right side
    16,260.75x = 312,043,392.56
  5. Step 5: Solve for x
    x = 312,043,392.56/16,260.75
  6. Step 6: Final answer
    x = 19,189.98

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Why These Related Problems?

These problems maintain the same ratio (1.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.