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Finding the Third Proportional to 106,818.75 and 165,391.88

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Solution

The third proportional to 106,818.75 and 165,391.88 is: 256,083.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,818.75 : 165,391.88 = 165,391.88 : x
  2. Step 2: Convert to fraction form
    106,818.75/165,391.88 = 165,391.88/x
  3. Step 3: Cross multiply
    106,818.75x = 165,391.88 × 165,391.88
  4. Step 4: Simplify right side
    106,818.75x = 27,354,472,316.02
  5. Step 5: Solve for x
    x = 27,354,472,316.02/106,818.75
  6. Step 6: Final answer
    x = 256,083.06

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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.