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Finding the Third Proportional to 54,788.25 and 117,899.25

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Solution

The third proportional to 54,788.25 and 117,899.25 is: 253,708.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,788.25 : 117,899.25 = 117,899.25 : x
  2. Step 2: Convert to fraction form
    54,788.25/117,899.25 = 117,899.25/x
  3. Step 3: Cross multiply
    54,788.25x = 117,899.25 × 117,899.25
  4. Step 4: Simplify right side
    54,788.25x = 13,900,233,150.56
  5. Step 5: Solve for x
    x = 13,900,233,150.56/54,788.25
  6. Step 6: Final answer
    x = 253,708.29

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.