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Finding the Third Proportional to 3,623 and 4,106.75

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Solution

The third proportional to 3,623 and 4,106.75 is: 4,655.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,623 : 4,106.75 = 4,106.75 : x
  2. Step 2: Convert to fraction form
    3,623/4,106.75 = 4,106.75/x
  3. Step 3: Cross multiply
    3,623x = 4,106.75 × 4,106.75
  4. Step 4: Simplify right side
    3,623x = 16,865,395.56
  5. Step 5: Solve for x
    x = 16,865,395.56/3,623
  6. Step 6: Final answer
    x = 4,655.09

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Why These Related Problems?

These problems maintain the same ratio (1.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.