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Finding the Third Proportional to 44,455 and 68,788

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Solution

The third proportional to 44,455 and 68,788 is: 106,439.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,455 : 68,788 = 68,788 : x
  2. Step 2: Convert to fraction form
    44,455/68,788 = 68,788/x
  3. Step 3: Cross multiply
    44,455x = 68,788 × 68,788
  4. Step 4: Simplify right side
    44,455x = 4,731,788,944
  5. Step 5: Solve for x
    x = 4,731,788,944/44,455
  6. Step 6: Final answer
    x = 106,439.97

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.