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Finding the Third Proportional to 13,530 and 17,784

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Solution

The third proportional to 13,530 and 17,784 is: 23,375.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,530 : 17,784 = 17,784 : x
  2. Step 2: Convert to fraction form
    13,530/17,784 = 17,784/x
  3. Step 3: Cross multiply
    13,530x = 17,784 × 17,784
  4. Step 4: Simplify right side
    13,530x = 316,270,656
  5. Step 5: Solve for x
    x = 316,270,656/13,530
  6. Step 6: Final answer
    x = 23,375.51

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These problems maintain the same ratio (1.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.