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Finding the Third Proportional to 108,156.94 and 167,905.13

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Solution

The third proportional to 108,156.94 and 167,905.13 is: 260,659.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,156.94 : 167,905.13 = 167,905.13 : x
  2. Step 2: Convert to fraction form
    108,156.94/167,905.13 = 167,905.13/x
  3. Step 3: Cross multiply
    108,156.94x = 167,905.13 × 167,905.13
  4. Step 4: Simplify right side
    108,156.94x = 28,192,131,001.27
  5. Step 5: Solve for x
    x = 28,192,131,001.27/108,156.94
  6. Step 6: Final answer
    x = 260,659.48

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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.