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Finding the Third Proportional to 3,606 and 7,287.75

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Solution

The third proportional to 3,606 and 7,287.75 is: 14,728.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,606 : 7,287.75 = 7,287.75 : x
  2. Step 2: Convert to fraction form
    3,606/7,287.75 = 7,287.75/x
  3. Step 3: Cross multiply
    3,606x = 7,287.75 × 7,287.75
  4. Step 4: Simplify right side
    3,606x = 53,111,300.06
  5. Step 5: Solve for x
    x = 53,111,300.06/3,606
  6. Step 6: Final answer
    x = 14,728.59

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Why These Related Problems?

These problems maintain the same ratio (2.02) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.