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Finding the Third Proportional to 187,518.75 and 404,356.50

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Solution

The third proportional to 187,518.75 and 404,356.50 is: 871,935.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,518.75 : 404,356.50 = 404,356.50 : x
  2. Step 2: Convert to fraction form
    187,518.75/404,356.50 = 404,356.50/x
  3. Step 3: Cross multiply
    187,518.75x = 404,356.50 × 404,356.50
  4. Step 4: Simplify right side
    187,518.75x = 163,504,179,092.25
  5. Step 5: Solve for x
    x = 163,504,179,092.25/187,518.75
  6. Step 6: Final answer
    x = 871,935.09

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.