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Finding the Third Proportional to 5,550 and 8,945

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Solution

The third proportional to 5,550 and 8,945 is: 14,416.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,550 : 8,945 = 8,945 : x
  2. Step 2: Convert to fraction form
    5,550/8,945 = 8,945/x
  3. Step 3: Cross multiply
    5,550x = 8,945 × 8,945
  4. Step 4: Simplify right side
    5,550x = 80,013,025
  5. Step 5: Solve for x
    x = 80,013,025/5,550
  6. Step 6: Final answer
    x = 14,416.76

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Why These Related Problems?

These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.