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Finding the Third Proportional to 5,781 and 9,308

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Solution

The third proportional to 5,781 and 9,308 is: 14,986.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,781 : 9,308 = 9,308 : x
  2. Step 2: Convert to fraction form
    5,781/9,308 = 9,308/x
  3. Step 3: Cross multiply
    5,781x = 9,308 × 9,308
  4. Step 4: Simplify right side
    5,781x = 86,638,864
  5. Step 5: Solve for x
    x = 86,638,864/5,781
  6. Step 6: Final answer
    x = 14,986.83

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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.