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Finding the Third Proportional to 247,267.69 and 445,327.88

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Solution

The third proportional to 247,267.69 and 445,327.88 is: 802,033.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,267.69 : 445,327.88 = 445,327.88 : x
  2. Step 2: Convert to fraction form
    247,267.69/445,327.88 = 445,327.88/x
  3. Step 3: Cross multiply
    247,267.69x = 445,327.88 × 445,327.88
  4. Step 4: Simplify right side
    247,267.69x = 198,316,916,252.02
  5. Step 5: Solve for x
    x = 198,316,916,252.02/247,267.69
  6. Step 6: Final answer
    x = 802,033.29

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Why These Related Problems?

These problems maintain the same ratio (1.80) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.