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Finding the Third Proportional to 302,997 and 448,638.75

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Solution

The third proportional to 302,997 and 448,638.75 is: 664,286.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,997 : 448,638.75 = 448,638.75 : x
  2. Step 2: Convert to fraction form
    302,997/448,638.75 = 448,638.75/x
  3. Step 3: Cross multiply
    302,997x = 448,638.75 × 448,638.75
  4. Step 4: Simplify right side
    302,997x = 201,276,728,001.56
  5. Step 5: Solve for x
    x = 201,276,728,001.56/302,997
  6. Step 6: Final answer
    x = 664,286.21

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.