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Finding the Third Proportional to 209,859.50 and 449,662.50

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Solution

The third proportional to 209,859.50 and 449,662.50 is: 963,484.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,859.50 : 449,662.50 = 449,662.50 : x
  2. Step 2: Convert to fraction form
    209,859.50/449,662.50 = 449,662.50/x
  3. Step 3: Cross multiply
    209,859.50x = 449,662.50 × 449,662.50
  4. Step 4: Simplify right side
    209,859.50x = 202,196,363,906.25
  5. Step 5: Solve for x
    x = 202,196,363,906.25/209,859.50
  6. Step 6: Final answer
    x = 963,484.45

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.