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Finding the Third Proportional to 11,385 and 25,245

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Solution

The third proportional to 11,385 and 25,245 is: 55,978.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,385 : 25,245 = 25,245 : x
  2. Step 2: Convert to fraction form
    11,385/25,245 = 25,245/x
  3. Step 3: Cross multiply
    11,385x = 25,245 × 25,245
  4. Step 4: Simplify right side
    11,385x = 637,310,025
  5. Step 5: Solve for x
    x = 637,310,025/11,385
  6. Step 6: Final answer
    x = 55,978.04

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.