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Finding the Third Proportional to 18,017.25 and 28,629

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Solution

The third proportional to 18,017.25 and 28,629 is: 45,490.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,017.25 : 28,629 = 28,629 : x
  2. Step 2: Convert to fraction form
    18,017.25/28,629 = 28,629/x
  3. Step 3: Cross multiply
    18,017.25x = 28,629 × 28,629
  4. Step 4: Simplify right side
    18,017.25x = 819,619,641
  5. Step 5: Solve for x
    x = 819,619,641/18,017.25
  6. Step 6: Final answer
    x = 45,490.83

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.