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Finding the Third Proportional to 10,120 and 16,176

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Solution

The third proportional to 10,120 and 16,176 is: 25,856.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,120 : 16,176 = 16,176 : x
  2. Step 2: Convert to fraction form
    10,120/16,176 = 16,176/x
  3. Step 3: Cross multiply
    10,120x = 16,176 × 16,176
  4. Step 4: Simplify right side
    10,120x = 261,662,976
  5. Step 5: Solve for x
    x = 261,662,976/10,120
  6. Step 6: Final answer
    x = 25,856.03

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Why These Related Problems?

These problems maintain the same ratio (1.60) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.