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Finding the Third Proportional to 76,112 and 163,936

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Solution

The third proportional to 76,112 and 163,936 is: 353,098.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,112 : 163,936 = 163,936 : x
  2. Step 2: Convert to fraction form
    76,112/163,936 = 163,936/x
  3. Step 3: Cross multiply
    76,112x = 163,936 × 163,936
  4. Step 4: Simplify right side
    76,112x = 26,875,012,096
  5. Step 5: Solve for x
    x = 26,875,012,096/76,112
  6. Step 6: Final answer
    x = 353,098.22

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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.