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Finding the Third Proportional to 73,665.50 and 115,236.50

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Solution

The third proportional to 73,665.50 and 115,236.50 is: 180,266.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,665.50 : 115,236.50 = 115,236.50 : x
  2. Step 2: Convert to fraction form
    73,665.50/115,236.50 = 115,236.50/x
  3. Step 3: Cross multiply
    73,665.50x = 115,236.50 × 115,236.50
  4. Step 4: Simplify right side
    73,665.50x = 13,279,450,932.25
  5. Step 5: Solve for x
    x = 13,279,450,932.25/73,665.50
  6. Step 6: Final answer
    x = 180,266.89

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.