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Finding the Third Proportional to 174,291.75 and 381,753

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Solution

The third proportional to 174,291.75 and 381,753 is: 836,157.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,291.75 : 381,753 = 381,753 : x
  2. Step 2: Convert to fraction form
    174,291.75/381,753 = 381,753/x
  3. Step 3: Cross multiply
    174,291.75x = 381,753 × 381,753
  4. Step 4: Simplify right side
    174,291.75x = 145,735,353,009
  5. Step 5: Solve for x
    x = 145,735,353,009/174,291.75
  6. Step 6: Final answer
    x = 836,157.49

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.