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Finding the Third Proportional to 108,708.75 and 168,257.25

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Solution

The third proportional to 108,708.75 and 168,257.25 is: 260,425.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,708.75 : 168,257.25 = 168,257.25 : x
  2. Step 2: Convert to fraction form
    108,708.75/168,257.25 = 168,257.25/x
  3. Step 3: Cross multiply
    108,708.75x = 168,257.25 × 168,257.25
  4. Step 4: Simplify right side
    108,708.75x = 28,310,502,177.56
  5. Step 5: Solve for x
    x = 28,310,502,177.56/108,708.75
  6. Step 6: Final answer
    x = 260,425.24

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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.