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Finding the Third Proportional to 49,248 and 107,728

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Solution

The third proportional to 49,248 and 107,728 is: 235,650.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,248 : 107,728 = 107,728 : x
  2. Step 2: Convert to fraction form
    49,248/107,728 = 107,728/x
  3. Step 3: Cross multiply
    49,248x = 107,728 × 107,728
  4. Step 4: Simplify right side
    49,248x = 11,605,321,984
  5. Step 5: Solve for x
    x = 11,605,321,984/49,248
  6. Step 6: Final answer
    x = 235,650.63

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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.