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Finding the Third Proportional to 54,317.25 and 115,155

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Solution

The third proportional to 54,317.25 and 115,155 is: 244,133.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,317.25 : 115,155 = 115,155 : x
  2. Step 2: Convert to fraction form
    54,317.25/115,155 = 115,155/x
  3. Step 3: Cross multiply
    54,317.25x = 115,155 × 115,155
  4. Step 4: Simplify right side
    54,317.25x = 13,260,674,025
  5. Step 5: Solve for x
    x = 13,260,674,025/54,317.25
  6. Step 6: Final answer
    x = 244,133.75

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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.