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Finding the Third Proportional to 9,912 and 13,252

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Solution

The third proportional to 9,912 and 13,252 is: 17,717.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,912 : 13,252 = 13,252 : x
  2. Step 2: Convert to fraction form
    9,912/13,252 = 13,252/x
  3. Step 3: Cross multiply
    9,912x = 13,252 × 13,252
  4. Step 4: Simplify right side
    9,912x = 175,615,504
  5. Step 5: Solve for x
    x = 175,615,504/9,912
  6. Step 6: Final answer
    x = 17,717.46

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Why These Related Problems?

These problems maintain the same ratio (1.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.