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Finding the Third Proportional to 187,160.25 and 405,850.50

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Solution

The third proportional to 187,160.25 and 405,850.50 is: 880,072.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,160.25 : 405,850.50 = 405,850.50 : x
  2. Step 2: Convert to fraction form
    187,160.25/405,850.50 = 405,850.50/x
  3. Step 3: Cross multiply
    187,160.25x = 405,850.50 × 405,850.50
  4. Step 4: Simplify right side
    187,160.25x = 164,714,628,350.25
  5. Step 5: Solve for x
    x = 164,714,628,350.25/187,160.25
  6. Step 6: Final answer
    x = 880,072.71

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.