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Finding the Third Proportional to 56,245 and 118,815

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Solution

The third proportional to 56,245 and 118,815 is: 250,991.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,245 : 118,815 = 118,815 : x
  2. Step 2: Convert to fraction form
    56,245/118,815 = 118,815/x
  3. Step 3: Cross multiply
    56,245x = 118,815 × 118,815
  4. Step 4: Simplify right side
    56,245x = 14,117,004,225
  5. Step 5: Solve for x
    x = 14,117,004,225/56,245
  6. Step 6: Final answer
    x = 250,991.27

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.