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Finding the Third Proportional to 118,046.25 and 178,058.25

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Solution

The third proportional to 118,046.25 and 178,058.25 is: 268,578.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,046.25 : 178,058.25 = 178,058.25 : x
  2. Step 2: Convert to fraction form
    118,046.25/178,058.25 = 178,058.25/x
  3. Step 3: Cross multiply
    118,046.25x = 178,058.25 × 178,058.25
  4. Step 4: Simplify right side
    118,046.25x = 31,704,740,393.06
  5. Step 5: Solve for x
    x = 31,704,740,393.06/118,046.25
  6. Step 6: Final answer
    x = 268,578.97

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.