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Finding the Third Proportional to 108,837.42 and 168,108.54

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Solution

The third proportional to 108,837.42 and 168,108.54 is: 259,657.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,837.42 : 168,108.54 = 168,108.54 : x
  2. Step 2: Convert to fraction form
    108,837.42/168,108.54 = 168,108.54/x
  3. Step 3: Cross multiply
    108,837.42x = 168,108.54 × 168,108.54
  4. Step 4: Simplify right side
    108,837.42x = 28,260,480,905.73
  5. Step 5: Solve for x
    x = 28,260,480,905.73/108,837.42
  6. Step 6: Final answer
    x = 259,657.76

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.