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Finding the Third Proportional to 8,154 and 18,886.50

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Solution

The third proportional to 8,154 and 18,886.50 is: 43,745.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,154 : 18,886.50 = 18,886.50 : x
  2. Step 2: Convert to fraction form
    8,154/18,886.50 = 18,886.50/x
  3. Step 3: Cross multiply
    8,154x = 18,886.50 × 18,886.50
  4. Step 4: Simplify right side
    8,154x = 356,699,882.25
  5. Step 5: Solve for x
    x = 356,699,882.25/8,154
  6. Step 6: Final answer
    x = 43,745.39

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Why These Related Problems?

These problems maintain the same ratio (2.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.