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Finding the Third Proportional to 176,215.50 and 381,105

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Solution

The third proportional to 176,215.50 and 381,105 is: 824,223.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,215.50 : 381,105 = 381,105 : x
  2. Step 2: Convert to fraction form
    176,215.50/381,105 = 381,105/x
  3. Step 3: Cross multiply
    176,215.50x = 381,105 × 381,105
  4. Step 4: Simplify right side
    176,215.50x = 145,241,021,025
  5. Step 5: Solve for x
    x = 145,241,021,025/176,215.50
  6. Step 6: Final answer
    x = 824,223.87

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.