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Finding the Third Proportional to 11,703 and 18,043.50

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Solution

The third proportional to 11,703 and 18,043.50 is: 27,819.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,703 : 18,043.50 = 18,043.50 : x
  2. Step 2: Convert to fraction form
    11,703/18,043.50 = 18,043.50/x
  3. Step 3: Cross multiply
    11,703x = 18,043.50 × 18,043.50
  4. Step 4: Simplify right side
    11,703x = 325,567,892.25
  5. Step 5: Solve for x
    x = 325,567,892.25/11,703
  6. Step 6: Final answer
    x = 27,819.18

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.