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Finding the Third Proportional to 108,738.50 and 158,911.75

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Solution

The third proportional to 108,738.50 and 158,911.75 is: 232,235.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,738.50 : 158,911.75 = 158,911.75 : x
  2. Step 2: Convert to fraction form
    108,738.50/158,911.75 = 158,911.75/x
  3. Step 3: Cross multiply
    108,738.50x = 158,911.75 × 158,911.75
  4. Step 4: Simplify right side
    108,738.50x = 25,252,944,288.06
  5. Step 5: Solve for x
    x = 25,252,944,288.06/108,738.50
  6. Step 6: Final answer
    x = 232,235.54

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.