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Finding the Third Proportional to 12,288 and 13,248

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Solution

The third proportional to 12,288 and 13,248 is: 14,283

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,288 : 13,248 = 13,248 : x
  2. Step 2: Convert to fraction form
    12,288/13,248 = 13,248/x
  3. Step 3: Cross multiply
    12,288x = 13,248 × 13,248
  4. Step 4: Simplify right side
    12,288x = 175,509,504
  5. Step 5: Solve for x
    x = 175,509,504/12,288
  6. Step 6: Final answer
    x = 14,283

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Why These Related Problems?

These problems maintain the same ratio (1.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.