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Finding the Third Proportional to 53,576 and 117,661

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Solution

The third proportional to 53,576 and 117,661 is: 258,401.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,576 : 117,661 = 117,661 : x
  2. Step 2: Convert to fraction form
    53,576/117,661 = 117,661/x
  3. Step 3: Cross multiply
    53,576x = 117,661 × 117,661
  4. Step 4: Simplify right side
    53,576x = 13,844,110,921
  5. Step 5: Solve for x
    x = 13,844,110,921/53,576
  6. Step 6: Final answer
    x = 258,401.35

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.