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Finding the Third Proportional to 9,001 and 13,257

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Solution

The third proportional to 9,001 and 13,257 is: 19,525.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,001 : 13,257 = 13,257 : x
  2. Step 2: Convert to fraction form
    9,001/13,257 = 13,257/x
  3. Step 3: Cross multiply
    9,001x = 13,257 × 13,257
  4. Step 4: Simplify right side
    9,001x = 175,748,049
  5. Step 5: Solve for x
    x = 175,748,049/9,001
  6. Step 6: Final answer
    x = 19,525.39

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.