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Finding the Third Proportional to 3,089 and 6,609

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Solution

The third proportional to 3,089 and 6,609 is: 14,140.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,089 : 6,609 = 6,609 : x
  2. Step 2: Convert to fraction form
    3,089/6,609 = 6,609/x
  3. Step 3: Cross multiply
    3,089x = 6,609 × 6,609
  4. Step 4: Simplify right side
    3,089x = 43,678,881
  5. Step 5: Solve for x
    x = 43,678,881/3,089
  6. Step 6: Final answer
    x = 14,140.14

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.