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Finding the Third Proportional to 17,698 and 27,623

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Solution

The third proportional to 17,698 and 27,623 is: 43,113.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,698 : 27,623 = 27,623 : x
  2. Step 2: Convert to fraction form
    17,698/27,623 = 27,623/x
  3. Step 3: Cross multiply
    17,698x = 27,623 × 27,623
  4. Step 4: Simplify right side
    17,698x = 763,030,129
  5. Step 5: Solve for x
    x = 763,030,129/17,698
  6. Step 6: Final answer
    x = 43,113.92

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.