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Finding the Third Proportional to 55,530 and 120,537

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Solution

The third proportional to 55,530 and 120,537 is: 261,645.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,530 : 120,537 = 120,537 : x
  2. Step 2: Convert to fraction form
    55,530/120,537 = 120,537/x
  3. Step 3: Cross multiply
    55,530x = 120,537 × 120,537
  4. Step 4: Simplify right side
    55,530x = 14,529,168,369
  5. Step 5: Solve for x
    x = 14,529,168,369/55,530
  6. Step 6: Final answer
    x = 261,645.39

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.