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Finding the Third Proportional to 121,036.78 and 246,994.31

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Solution

The third proportional to 121,036.78 and 246,994.31 is: 504,030.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,036.78 : 246,994.31 = 246,994.31 : x
  2. Step 2: Convert to fraction form
    121,036.78/246,994.31 = 246,994.31/x
  3. Step 3: Cross multiply
    121,036.78x = 246,994.31 × 246,994.31
  4. Step 4: Simplify right side
    121,036.78x = 61,006,190,407.35
  5. Step 5: Solve for x
    x = 61,006,190,407.35/121,036.78
  6. Step 6: Final answer
    x = 504,030.18

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Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.