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Finding the Third Proportional to 187,220.11 and 404,379.84

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Solution

The third proportional to 187,220.11 and 404,379.84 is: 873,426.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,220.11 : 404,379.84 = 404,379.84 : x
  2. Step 2: Convert to fraction form
    187,220.11/404,379.84 = 404,379.84/x
  3. Step 3: Cross multiply
    187,220.11x = 404,379.84 × 404,379.84
  4. Step 4: Simplify right side
    187,220.11x = 163,523,058,031.27
  5. Step 5: Solve for x
    x = 163,523,058,031.27/187,220.11
  6. Step 6: Final answer
    x = 873,426.78

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