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Finding the Third Proportional to 7,155 and 14,166

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Solution

The third proportional to 7,155 and 14,166 is: 28,046.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,155 : 14,166 = 14,166 : x
  2. Step 2: Convert to fraction form
    7,155/14,166 = 14,166/x
  3. Step 3: Cross multiply
    7,155x = 14,166 × 14,166
  4. Step 4: Simplify right side
    7,155x = 200,675,556
  5. Step 5: Solve for x
    x = 200,675,556/7,155
  6. Step 6: Final answer
    x = 28,046.90

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Why These Related Problems?

These problems maintain the same ratio (1.98) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.