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Finding the Third Proportional to 14,863.50 and 20,205

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Solution

The third proportional to 14,863.50 and 20,205 is: 27,466.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,863.50 : 20,205 = 20,205 : x
  2. Step 2: Convert to fraction form
    14,863.50/20,205 = 20,205/x
  3. Step 3: Cross multiply
    14,863.50x = 20,205 × 20,205
  4. Step 4: Simplify right side
    14,863.50x = 408,242,025
  5. Step 5: Solve for x
    x = 408,242,025/14,863.50
  6. Step 6: Final answer
    x = 27,466.08

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.