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Finding the Third Proportional to 54,531.75 and 115,656

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Solution

The third proportional to 54,531.75 and 115,656 is: 245,293.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,531.75 : 115,656 = 115,656 : x
  2. Step 2: Convert to fraction form
    54,531.75/115,656 = 115,656/x
  3. Step 3: Cross multiply
    54,531.75x = 115,656 × 115,656
  4. Step 4: Simplify right side
    54,531.75x = 13,376,310,336
  5. Step 5: Solve for x
    x = 13,376,310,336/54,531.75
  6. Step 6: Final answer
    x = 245,293.99

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.