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Finding the Third Proportional to 48,945 and 105,663

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Solution

The third proportional to 48,945 and 105,663 is: 228,106.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,945 : 105,663 = 105,663 : x
  2. Step 2: Convert to fraction form
    48,945/105,663 = 105,663/x
  3. Step 3: Cross multiply
    48,945x = 105,663 × 105,663
  4. Step 4: Simplify right side
    48,945x = 11,164,669,569
  5. Step 5: Solve for x
    x = 11,164,669,569/48,945
  6. Step 6: Final answer
    x = 228,106.44

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.