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Finding the Third Proportional to 68,792.63 and 106,326

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Solution

The third proportional to 68,792.63 and 106,326 is: 164,337.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,792.63 : 106,326 = 106,326 : x
  2. Step 2: Convert to fraction form
    68,792.63/106,326 = 106,326/x
  3. Step 3: Cross multiply
    68,792.63x = 106,326 × 106,326
  4. Step 4: Simplify right side
    68,792.63x = 11,305,218,276
  5. Step 5: Solve for x
    x = 11,305,218,276/68,792.63
  6. Step 6: Final answer
    x = 164,337.65

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.