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Finding the Third Proportional to 1,395.75 and 3,627.38

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Solution

The third proportional to 1,395.75 and 3,627.38 is: 9,427.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,395.75 : 3,627.38 = 3,627.38 : x
  2. Step 2: Convert to fraction form
    1,395.75/3,627.38 = 3,627.38/x
  3. Step 3: Cross multiply
    1,395.75x = 3,627.38 × 3,627.38
  4. Step 4: Simplify right side
    1,395.75x = 13,157,849.39
  5. Step 5: Solve for x
    x = 13,157,849.39/1,395.75
  6. Step 6: Final answer
    x = 9,427.08

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These problems maintain the same ratio (2.60) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.