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Finding the Third Proportional to 11,474 and 13,148

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Solution

The third proportional to 11,474 and 13,148 is: 15,066.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,474 : 13,148 = 13,148 : x
  2. Step 2: Convert to fraction form
    11,474/13,148 = 13,148/x
  3. Step 3: Cross multiply
    11,474x = 13,148 × 13,148
  4. Step 4: Simplify right side
    11,474x = 172,869,904
  5. Step 5: Solve for x
    x = 172,869,904/11,474
  6. Step 6: Final answer
    x = 15,066.23

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Why These Related Problems?

These problems maintain the same ratio (1.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.