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Finding the Third Proportional to 11,747.50 and 16,703

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Solution

The third proportional to 11,747.50 and 16,703 is: 23,748.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,747.50 : 16,703 = 16,703 : x
  2. Step 2: Convert to fraction form
    11,747.50/16,703 = 16,703/x
  3. Step 3: Cross multiply
    11,747.50x = 16,703 × 16,703
  4. Step 4: Simplify right side
    11,747.50x = 278,990,209
  5. Step 5: Solve for x
    x = 278,990,209/11,747.50
  6. Step 6: Final answer
    x = 23,748.90

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Why These Related Problems?

These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.