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Finding the Third Proportional to 27,804 and 43,118

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Solution

The third proportional to 27,804 and 43,118 is: 66,866.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,804 : 43,118 = 43,118 : x
  2. Step 2: Convert to fraction form
    27,804/43,118 = 43,118/x
  3. Step 3: Cross multiply
    27,804x = 43,118 × 43,118
  4. Step 4: Simplify right side
    27,804x = 1,859,161,924
  5. Step 5: Solve for x
    x = 1,859,161,924/27,804
  6. Step 6: Final answer
    x = 66,866.71

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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.