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Finding the Third Proportional to 12,028 and 18,370

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Solution

The third proportional to 12,028 and 18,370 is: 28,055.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,028 : 18,370 = 18,370 : x
  2. Step 2: Convert to fraction form
    12,028/18,370 = 18,370/x
  3. Step 3: Cross multiply
    12,028x = 18,370 × 18,370
  4. Step 4: Simplify right side
    12,028x = 337,456,900
  5. Step 5: Solve for x
    x = 337,456,900/12,028
  6. Step 6: Final answer
    x = 28,055.94

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.