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Finding the Third Proportional to 7,326 and 17,289

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Solution

The third proportional to 7,326 and 17,289 is: 40,801.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,326 : 17,289 = 17,289 : x
  2. Step 2: Convert to fraction form
    7,326/17,289 = 17,289/x
  3. Step 3: Cross multiply
    7,326x = 17,289 × 17,289
  4. Step 4: Simplify right side
    7,326x = 298,909,521
  5. Step 5: Solve for x
    x = 298,909,521/7,326
  6. Step 6: Final answer
    x = 40,801.19

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.