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Finding the Third Proportional to 54,335 and 115,212

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Solution

The third proportional to 54,335 and 115,212 is: 244,295.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,335 : 115,212 = 115,212 : x
  2. Step 2: Convert to fraction form
    54,335/115,212 = 115,212/x
  3. Step 3: Cross multiply
    54,335x = 115,212 × 115,212
  4. Step 4: Simplify right side
    54,335x = 13,273,804,944
  5. Step 5: Solve for x
    x = 13,273,804,944/54,335
  6. Step 6: Final answer
    x = 244,295.66

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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.