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Finding the Third Proportional to 51,618 and 113,712.75

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Solution

The third proportional to 51,618 and 113,712.75 is: 250,505.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,618 : 113,712.75 = 113,712.75 : x
  2. Step 2: Convert to fraction form
    51,618/113,712.75 = 113,712.75/x
  3. Step 3: Cross multiply
    51,618x = 113,712.75 × 113,712.75
  4. Step 4: Simplify right side
    51,618x = 12,930,589,512.56
  5. Step 5: Solve for x
    x = 12,930,589,512.56/51,618
  6. Step 6: Final answer
    x = 250,505.43

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.