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Finding the Third Proportional to 12,095 and 18,129

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Solution

The third proportional to 12,095 and 18,129 is: 27,173.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,095 : 18,129 = 18,129 : x
  2. Step 2: Convert to fraction form
    12,095/18,129 = 18,129/x
  3. Step 3: Cross multiply
    12,095x = 18,129 × 18,129
  4. Step 4: Simplify right side
    12,095x = 328,660,641
  5. Step 5: Solve for x
    x = 328,660,641/12,095
  6. Step 6: Final answer
    x = 27,173.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.