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Finding the Third Proportional to 447,642 and 632,794.50

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Solution

The third proportional to 447,642 and 632,794.50 is: 894,529.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,642 : 632,794.50 = 632,794.50 : x
  2. Step 2: Convert to fraction form
    447,642/632,794.50 = 632,794.50/x
  3. Step 3: Cross multiply
    447,642x = 632,794.50 × 632,794.50
  4. Step 4: Simplify right side
    447,642x = 400,428,879,230.25
  5. Step 5: Solve for x
    x = 400,428,879,230.25/447,642
  6. Step 6: Final answer
    x = 894,529.29

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.