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Finding the Third Proportional to 18,428.25 and 29,226.75

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Solution

The third proportional to 18,428.25 and 29,226.75 is: 46,352.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,428.25 : 29,226.75 = 29,226.75 : x
  2. Step 2: Convert to fraction form
    18,428.25/29,226.75 = 29,226.75/x
  3. Step 3: Cross multiply
    18,428.25x = 29,226.75 × 29,226.75
  4. Step 4: Simplify right side
    18,428.25x = 854,202,915.56
  5. Step 5: Solve for x
    x = 854,202,915.56/18,428.25
  6. Step 6: Final answer
    x = 46,352.90

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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.