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Finding the Third Proportional to 18,556 and 28,302

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Solution

The third proportional to 18,556 and 28,302 is: 43,166.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,556 : 28,302 = 28,302 : x
  2. Step 2: Convert to fraction form
    18,556/28,302 = 28,302/x
  3. Step 3: Cross multiply
    18,556x = 28,302 × 28,302
  4. Step 4: Simplify right side
    18,556x = 801,003,204
  5. Step 5: Solve for x
    x = 801,003,204/18,556
  6. Step 6: Final answer
    x = 43,166.80

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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.