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Finding the Third Proportional to 6,354 and 9,819

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Solution

The third proportional to 6,354 and 9,819 is: 15,173.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,354 : 9,819 = 9,819 : x
  2. Step 2: Convert to fraction form
    6,354/9,819 = 9,819/x
  3. Step 3: Cross multiply
    6,354x = 9,819 × 9,819
  4. Step 4: Simplify right side
    6,354x = 96,412,761
  5. Step 5: Solve for x
    x = 96,412,761/6,354
  6. Step 6: Final answer
    x = 15,173.55

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.