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Finding the Third Proportional to 12,531 and 13,635

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Solution

The third proportional to 12,531 and 13,635 is: 14,836.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,531 : 13,635 = 13,635 : x
  2. Step 2: Convert to fraction form
    12,531/13,635 = 13,635/x
  3. Step 3: Cross multiply
    12,531x = 13,635 × 13,635
  4. Step 4: Simplify right side
    12,531x = 185,913,225
  5. Step 5: Solve for x
    x = 185,913,225/12,531
  6. Step 6: Final answer
    x = 14,836.26

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Why These Related Problems?

These problems maintain the same ratio (1.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.