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Finding the Third Proportional to 11,498 and 18,347

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Solution

The third proportional to 11,498 and 18,347 is: 29,275.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,498 : 18,347 = 18,347 : x
  2. Step 2: Convert to fraction form
    11,498/18,347 = 18,347/x
  3. Step 3: Cross multiply
    11,498x = 18,347 × 18,347
  4. Step 4: Simplify right side
    11,498x = 336,612,409
  5. Step 5: Solve for x
    x = 336,612,409/11,498
  6. Step 6: Final answer
    x = 29,275.74

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Why These Related Problems?

These problems maintain the same ratio (1.60) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.