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Finding the Third Proportional to 6,819 and 9,649.50

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Solution

The third proportional to 6,819 and 9,649.50 is: 13,654.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,819 : 9,649.50 = 9,649.50 : x
  2. Step 2: Convert to fraction form
    6,819/9,649.50 = 9,649.50/x
  3. Step 3: Cross multiply
    6,819x = 9,649.50 × 9,649.50
  4. Step 4: Simplify right side
    6,819x = 93,112,850.25
  5. Step 5: Solve for x
    x = 93,112,850.25/6,819
  6. Step 6: Final answer
    x = 13,654.91

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Why These Related Problems?

These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.