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Finding the Third Proportional to 68,361 and 146,748

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Solution

The third proportional to 68,361 and 146,748 is: 315,018.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,361 : 146,748 = 146,748 : x
  2. Step 2: Convert to fraction form
    68,361/146,748 = 146,748/x
  3. Step 3: Cross multiply
    68,361x = 146,748 × 146,748
  4. Step 4: Simplify right side
    68,361x = 21,534,975,504
  5. Step 5: Solve for x
    x = 21,534,975,504/68,361
  6. Step 6: Final answer
    x = 315,018.44

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.