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Finding the Third Proportional to 128,168.37 and 276,058.34

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Solution

The third proportional to 128,168.37 and 276,058.34 is: 594,594.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,168.37 : 276,058.34 = 276,058.34 : x
  2. Step 2: Convert to fraction form
    128,168.37/276,058.34 = 276,058.34/x
  3. Step 3: Cross multiply
    128,168.37x = 276,058.34 × 276,058.34
  4. Step 4: Simplify right side
    128,168.37x = 76,208,204,840.58
  5. Step 5: Solve for x
    x = 76,208,204,840.58/128,168.37
  6. Step 6: Final answer
    x = 594,594.49

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.