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Finding the Third Proportional to 47,618 and 102,148

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Solution

The third proportional to 47,618 and 102,148 is: 219,123.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,618 : 102,148 = 102,148 : x
  2. Step 2: Convert to fraction form
    47,618/102,148 = 102,148/x
  3. Step 3: Cross multiply
    47,618x = 102,148 × 102,148
  4. Step 4: Simplify right side
    47,618x = 10,434,213,904
  5. Step 5: Solve for x
    x = 10,434,213,904/47,618
  6. Step 6: Final answer
    x = 219,123.31

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.