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Finding the Third Proportional to 105,210.56 and 225,375.75

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Solution

The third proportional to 105,210.56 and 225,375.75 is: 482,786.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,210.56 : 225,375.75 = 225,375.75 : x
  2. Step 2: Convert to fraction form
    105,210.56/225,375.75 = 225,375.75/x
  3. Step 3: Cross multiply
    105,210.56x = 225,375.75 × 225,375.75
  4. Step 4: Simplify right side
    105,210.56x = 50,794,228,688.06
  5. Step 5: Solve for x
    x = 50,794,228,688.06/105,210.56
  6. Step 6: Final answer
    x = 482,786.40

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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.