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Finding the Third Proportional to 117,069.75 and 248,717.25

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Solution

The third proportional to 117,069.75 and 248,717.25 is: 528,405.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,069.75 : 248,717.25 = 248,717.25 : x
  2. Step 2: Convert to fraction form
    117,069.75/248,717.25 = 248,717.25/x
  3. Step 3: Cross multiply
    117,069.75x = 248,717.25 × 248,717.25
  4. Step 4: Simplify right side
    117,069.75x = 61,860,270,447.56
  5. Step 5: Solve for x
    x = 61,860,270,447.56/117,069.75
  6. Step 6: Final answer
    x = 528,405.25

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.