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Finding the Third Proportional to 4,675 and 7,109

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Solution

The third proportional to 4,675 and 7,109 is: 10,810.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,675 : 7,109 = 7,109 : x
  2. Step 2: Convert to fraction form
    4,675/7,109 = 7,109/x
  3. Step 3: Cross multiply
    4,675x = 7,109 × 7,109
  4. Step 4: Simplify right side
    4,675x = 50,537,881
  5. Step 5: Solve for x
    x = 50,537,881/4,675
  6. Step 6: Final answer
    x = 10,810.24

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.