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Finding the Third Proportional to 18,108 and 27,866.25

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Solution

The third proportional to 18,108 and 27,866.25 is: 42,883.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,108 : 27,866.25 = 27,866.25 : x
  2. Step 2: Convert to fraction form
    18,108/27,866.25 = 27,866.25/x
  3. Step 3: Cross multiply
    18,108x = 27,866.25 × 27,866.25
  4. Step 4: Simplify right side
    18,108x = 776,527,889.06
  5. Step 5: Solve for x
    x = 776,527,889.06/18,108
  6. Step 6: Final answer
    x = 42,883.14

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.