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Finding the Third Proportional to 38,838 and 84,732

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Solution

The third proportional to 38,838 and 84,732 is: 184,857.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,838 : 84,732 = 84,732 : x
  2. Step 2: Convert to fraction form
    38,838/84,732 = 84,732/x
  3. Step 3: Cross multiply
    38,838x = 84,732 × 84,732
  4. Step 4: Simplify right side
    38,838x = 7,179,511,824
  5. Step 5: Solve for x
    x = 7,179,511,824/38,838
  6. Step 6: Final answer
    x = 184,857.92

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.