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Finding the Third Proportional to 6,556 and 9,212

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Solution

The third proportional to 6,556 and 9,212 is: 12,944.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,556 : 9,212 = 9,212 : x
  2. Step 2: Convert to fraction form
    6,556/9,212 = 9,212/x
  3. Step 3: Cross multiply
    6,556x = 9,212 × 9,212
  4. Step 4: Simplify right side
    6,556x = 84,860,944
  5. Step 5: Solve for x
    x = 84,860,944/6,556
  6. Step 6: Final answer
    x = 12,944.01

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.