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Finding the Third Proportional to 108,043.25 and 163,555.38

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Solution

The third proportional to 108,043.25 and 163,555.38 is: 247,589.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,043.25 : 163,555.38 = 163,555.38 : x
  2. Step 2: Convert to fraction form
    108,043.25/163,555.38 = 163,555.38/x
  3. Step 3: Cross multiply
    108,043.25x = 163,555.38 × 163,555.38
  4. Step 4: Simplify right side
    108,043.25x = 26,750,360,691.39
  5. Step 5: Solve for x
    x = 26,750,360,691.39/108,043.25
  6. Step 6: Final answer
    x = 247,589.37

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.