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Finding the Third Proportional to 205,648 and 448,652

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Solution

The third proportional to 205,648 and 448,652 is: 978,801.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,648 : 448,652 = 448,652 : x
  2. Step 2: Convert to fraction form
    205,648/448,652 = 448,652/x
  3. Step 3: Cross multiply
    205,648x = 448,652 × 448,652
  4. Step 4: Simplify right side
    205,648x = 201,288,617,104
  5. Step 5: Solve for x
    x = 201,288,617,104/205,648
  6. Step 6: Final answer
    x = 978,801.72

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.