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Finding the Third Proportional to 10,692 and 16,998.75

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Solution

The third proportional to 10,692 and 16,998.75 is: 27,025.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,692 : 16,998.75 = 16,998.75 : x
  2. Step 2: Convert to fraction form
    10,692/16,998.75 = 16,998.75/x
  3. Step 3: Cross multiply
    10,692x = 16,998.75 × 16,998.75
  4. Step 4: Simplify right side
    10,692x = 288,957,501.56
  5. Step 5: Solve for x
    x = 288,957,501.56/10,692
  6. Step 6: Final answer
    x = 27,025.58

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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.