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Finding the Third Proportional to 204,997.50 and 450,352.50

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Solution

The third proportional to 204,997.50 and 450,352.50 is: 989,365.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,997.50 : 450,352.50 = 450,352.50 : x
  2. Step 2: Convert to fraction form
    204,997.50/450,352.50 = 450,352.50/x
  3. Step 3: Cross multiply
    204,997.50x = 450,352.50 × 450,352.50
  4. Step 4: Simplify right side
    204,997.50x = 202,817,374,256.25
  5. Step 5: Solve for x
    x = 202,817,374,256.25/204,997.50
  6. Step 6: Final answer
    x = 989,365.11

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.