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Finding the Third Proportional to 217,487.69 and 332,731.88

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Solution

The third proportional to 217,487.69 and 332,731.88 is: 509,042.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,487.69 : 332,731.88 = 332,731.88 : x
  2. Step 2: Convert to fraction form
    217,487.69/332,731.88 = 332,731.88/x
  3. Step 3: Cross multiply
    217,487.69x = 332,731.88 × 332,731.88
  4. Step 4: Simplify right side
    217,487.69x = 110,710,500,641.02
  5. Step 5: Solve for x
    x = 110,710,500,641.02/217,487.69
  6. Step 6: Final answer
    x = 509,042.61

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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.