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Finding the Third Proportional to 13,900 and 29,623

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Solution

The third proportional to 13,900 and 29,623 is: 63,131.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,900 : 29,623 = 29,623 : x
  2. Step 2: Convert to fraction form
    13,900/29,623 = 29,623/x
  3. Step 3: Cross multiply
    13,900x = 29,623 × 29,623
  4. Step 4: Simplify right side
    13,900x = 877,522,129
  5. Step 5: Solve for x
    x = 877,522,129/13,900
  6. Step 6: Final answer
    x = 63,131.09

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.