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Finding the Third Proportional to 9,498 and 11,442

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Solution

The third proportional to 9,498 and 11,442 is: 13,783.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,498 : 11,442 = 11,442 : x
  2. Step 2: Convert to fraction form
    9,498/11,442 = 11,442/x
  3. Step 3: Cross multiply
    9,498x = 11,442 × 11,442
  4. Step 4: Simplify right side
    9,498x = 130,919,364
  5. Step 5: Solve for x
    x = 130,919,364/9,498
  6. Step 6: Final answer
    x = 13,783.89

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Why These Related Problems?

These problems maintain the same ratio (1.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.