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Finding the Third Proportional to 133,099 and 146,221

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Solution

The third proportional to 133,099 and 146,221 is: 160,636.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,099 : 146,221 = 146,221 : x
  2. Step 2: Convert to fraction form
    133,099/146,221 = 146,221/x
  3. Step 3: Cross multiply
    133,099x = 146,221 × 146,221
  4. Step 4: Simplify right side
    133,099x = 21,380,580,841
  5. Step 5: Solve for x
    x = 21,380,580,841/133,099
  6. Step 6: Final answer
    x = 160,636.68

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Why These Related Problems?

These problems maintain the same ratio (1.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.