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Finding the Third Proportional to 11,556 and 18,370

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Solution

The third proportional to 11,556 and 18,370 is: 29,201.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,556 : 18,370 = 18,370 : x
  2. Step 2: Convert to fraction form
    11,556/18,370 = 18,370/x
  3. Step 3: Cross multiply
    11,556x = 18,370 × 18,370
  4. Step 4: Simplify right side
    11,556x = 337,456,900
  5. Step 5: Solve for x
    x = 337,456,900/11,556
  6. Step 6: Final answer
    x = 29,201.88

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.