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Finding the Third Proportional to 3,607 and 7,107

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Solution

The third proportional to 3,607 and 7,107 is: 14,003.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,607 : 7,107 = 7,107 : x
  2. Step 2: Convert to fraction form
    3,607/7,107 = 7,107/x
  3. Step 3: Cross multiply
    3,607x = 7,107 × 7,107
  4. Step 4: Simplify right side
    3,607x = 50,509,449
  5. Step 5: Solve for x
    x = 50,509,449/3,607
  6. Step 6: Final answer
    x = 14,003.17

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Why These Related Problems?

These problems maintain the same ratio (1.97) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.