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Finding the Third Proportional to 12,336 and 18,788

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Solution

The third proportional to 12,336 and 18,788 is: 28,614.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,336 : 18,788 = 18,788 : x
  2. Step 2: Convert to fraction form
    12,336/18,788 = 18,788/x
  3. Step 3: Cross multiply
    12,336x = 18,788 × 18,788
  4. Step 4: Simplify right side
    12,336x = 352,988,944
  5. Step 5: Solve for x
    x = 352,988,944/12,336
  6. Step 6: Final answer
    x = 28,614.54

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.