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Finding the Third Proportional to 43,241 and 55,253

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Solution

The third proportional to 43,241 and 55,253 is: 70,601.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,241 : 55,253 = 55,253 : x
  2. Step 2: Convert to fraction form
    43,241/55,253 = 55,253/x
  3. Step 3: Cross multiply
    43,241x = 55,253 × 55,253
  4. Step 4: Simplify right side
    43,241x = 3,052,894,009
  5. Step 5: Solve for x
    x = 3,052,894,009/43,241
  6. Step 6: Final answer
    x = 70,601.84

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Why These Related Problems?

These problems maintain the same ratio (1.28) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.