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Finding the Third Proportional to 221,636.25 and 470,954.25

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Solution

The third proportional to 221,636.25 and 470,954.25 is: 1,000,729.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,636.25 : 470,954.25 = 470,954.25 : x
  2. Step 2: Convert to fraction form
    221,636.25/470,954.25 = 470,954.25/x
  3. Step 3: Cross multiply
    221,636.25x = 470,954.25 × 470,954.25
  4. Step 4: Simplify right side
    221,636.25x = 221,797,905,593.06
  5. Step 5: Solve for x
    x = 221,797,905,593.06/221,636.25
  6. Step 6: Final answer
    x = 1,000,729.37

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.