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Finding the Third Proportional to 54,549 and 117,705

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Solution

The third proportional to 54,549 and 117,705 is: 253,982.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,549 : 117,705 = 117,705 : x
  2. Step 2: Convert to fraction form
    54,549/117,705 = 117,705/x
  3. Step 3: Cross multiply
    54,549x = 117,705 × 117,705
  4. Step 4: Simplify right side
    54,549x = 13,854,467,025
  5. Step 5: Solve for x
    x = 13,854,467,025/54,549
  6. Step 6: Final answer
    x = 253,982.05

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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.