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Finding the Third Proportional to 13,889 and 29,996

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Solution

The third proportional to 13,889 and 29,996 is: 64,782.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,889 : 29,996 = 29,996 : x
  2. Step 2: Convert to fraction form
    13,889/29,996 = 29,996/x
  3. Step 3: Cross multiply
    13,889x = 29,996 × 29,996
  4. Step 4: Simplify right side
    13,889x = 899,760,016
  5. Step 5: Solve for x
    x = 899,760,016/13,889
  6. Step 6: Final answer
    x = 64,782.20

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.