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Finding the Third Proportional to 108,535.50 and 167,721.75

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Solution

The third proportional to 108,535.50 and 167,721.75 is: 259,183.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,535.50 : 167,721.75 = 167,721.75 : x
  2. Step 2: Convert to fraction form
    108,535.50/167,721.75 = 167,721.75/x
  3. Step 3: Cross multiply
    108,535.50x = 167,721.75 × 167,721.75
  4. Step 4: Simplify right side
    108,535.50x = 28,130,585,423.06
  5. Step 5: Solve for x
    x = 28,130,585,423.06/108,535.50
  6. Step 6: Final answer
    x = 259,183.27

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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.