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Finding the Third Proportional to 187,224 and 405,975

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Solution

The third proportional to 187,224 and 405,975 is: 880,312.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,224 : 405,975 = 405,975 : x
  2. Step 2: Convert to fraction form
    187,224/405,975 = 405,975/x
  3. Step 3: Cross multiply
    187,224x = 405,975 × 405,975
  4. Step 4: Simplify right side
    187,224x = 164,815,700,625
  5. Step 5: Solve for x
    x = 164,815,700,625/187,224
  6. Step 6: Final answer
    x = 880,312.89

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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.