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Finding the Third Proportional to 117,406.97 and 178,351.88

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Solution

The third proportional to 117,406.97 and 178,351.88 is: 270,932.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,406.97 : 178,351.88 = 178,351.88 : x
  2. Step 2: Convert to fraction form
    117,406.97/178,351.88 = 178,351.88/x
  3. Step 3: Cross multiply
    117,406.97x = 178,351.88 × 178,351.88
  4. Step 4: Simplify right side
    117,406.97x = 31,809,391,316.02
  5. Step 5: Solve for x
    x = 31,809,391,316.02/117,406.97
  6. Step 6: Final answer
    x = 270,932.74

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.