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Finding the Third Proportional to 7,791.75 and 17,532

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Solution

The third proportional to 7,791.75 and 17,532 is: 39,448.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,791.75 : 17,532 = 17,532 : x
  2. Step 2: Convert to fraction form
    7,791.75/17,532 = 17,532/x
  3. Step 3: Cross multiply
    7,791.75x = 17,532 × 17,532
  4. Step 4: Simplify right side
    7,791.75x = 307,371,024
  5. Step 5: Solve for x
    x = 307,371,024/7,791.75
  6. Step 6: Final answer
    x = 39,448.27

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Why These Related Problems?

These problems maintain the same ratio (2.25) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.