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Finding the Third Proportional to 108,842.06 and 168,186.38

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Solution

The third proportional to 108,842.06 and 168,186.38 is: 259,887.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,842.06 : 168,186.38 = 168,186.38 : x
  2. Step 2: Convert to fraction form
    108,842.06/168,186.38 = 168,186.38/x
  3. Step 3: Cross multiply
    108,842.06x = 168,186.38 × 168,186.38
  4. Step 4: Simplify right side
    108,842.06x = 28,286,656,735.64
  5. Step 5: Solve for x
    x = 28,286,656,735.64/108,842.06
  6. Step 6: Final answer
    x = 259,887.18

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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.