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Finding the Third Proportional to 106,991.25 and 165,576.75

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Solution

The third proportional to 106,991.25 and 165,576.75 is: 256,242.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,991.25 : 165,576.75 = 165,576.75 : x
  2. Step 2: Convert to fraction form
    106,991.25/165,576.75 = 165,576.75/x
  3. Step 3: Cross multiply
    106,991.25x = 165,576.75 × 165,576.75
  4. Step 4: Simplify right side
    106,991.25x = 27,415,660,140.56
  5. Step 5: Solve for x
    x = 27,415,660,140.56/106,991.25
  6. Step 6: Final answer
    x = 256,242.08

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.