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Finding the Third Proportional to 34,872.75 and 76,383

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Solution

The third proportional to 34,872.75 and 76,383 is: 167,304.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,872.75 : 76,383 = 76,383 : x
  2. Step 2: Convert to fraction form
    34,872.75/76,383 = 76,383/x
  3. Step 3: Cross multiply
    34,872.75x = 76,383 × 76,383
  4. Step 4: Simplify right side
    34,872.75x = 5,834,362,689
  5. Step 5: Solve for x
    x = 5,834,362,689/34,872.75
  6. Step 6: Final answer
    x = 167,304.35

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.