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Finding the Third Proportional to 68,005.13 and 146,958.75

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Solution

The third proportional to 68,005.13 and 146,958.75 is: 317,577.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,005.13 : 146,958.75 = 146,958.75 : x
  2. Step 2: Convert to fraction form
    68,005.13/146,958.75 = 146,958.75/x
  3. Step 3: Cross multiply
    68,005.13x = 146,958.75 × 146,958.75
  4. Step 4: Simplify right side
    68,005.13x = 21,596,874,201.56
  5. Step 5: Solve for x
    x = 21,596,874,201.56/68,005.13
  6. Step 6: Final answer
    x = 317,577.16

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.