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Finding the Third Proportional to 217,429.50 and 332,628.75

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Solution

The third proportional to 217,429.50 and 332,628.75 is: 508,863.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,429.50 : 332,628.75 = 332,628.75 : x
  2. Step 2: Convert to fraction form
    217,429.50/332,628.75 = 332,628.75/x
  3. Step 3: Cross multiply
    217,429.50x = 332,628.75 × 332,628.75
  4. Step 4: Simplify right side
    217,429.50x = 110,641,885,326.56
  5. Step 5: Solve for x
    x = 110,641,885,326.56/217,429.50
  6. Step 6: Final answer
    x = 508,863.27

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.