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Finding the Third Proportional to 6,388.88 and 13,365

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Solution

The third proportional to 6,388.88 and 13,365 is: 27,958.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,388.88 : 13,365 = 13,365 : x
  2. Step 2: Convert to fraction form
    6,388.88/13,365 = 13,365/x
  3. Step 3: Cross multiply
    6,388.88x = 13,365 × 13,365
  4. Step 4: Simplify right side
    6,388.88x = 178,623,225
  5. Step 5: Solve for x
    x = 178,623,225/6,388.88
  6. Step 6: Final answer
    x = 27,958.48

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Why These Related Problems?

These problems maintain the same ratio (2.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.