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Finding the Third Proportional to 118,950.75 and 161,469

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Solution

The third proportional to 118,950.75 and 161,469 is: 219,185.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,950.75 : 161,469 = 161,469 : x
  2. Step 2: Convert to fraction form
    118,950.75/161,469 = 161,469/x
  3. Step 3: Cross multiply
    118,950.75x = 161,469 × 161,469
  4. Step 4: Simplify right side
    118,950.75x = 26,072,237,961
  5. Step 5: Solve for x
    x = 26,072,237,961/118,950.75
  6. Step 6: Final answer
    x = 219,185.15

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.