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Finding the Third Proportional to 219,746.25 and 329,558.63

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Solution

The third proportional to 219,746.25 and 329,558.63 is: 494,246.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,746.25 : 329,558.63 = 329,558.63 : x
  2. Step 2: Convert to fraction form
    219,746.25/329,558.63 = 329,558.63/x
  3. Step 3: Cross multiply
    219,746.25x = 329,558.63 × 329,558.63
  4. Step 4: Simplify right side
    219,746.25x = 108,608,887,311.89
  5. Step 5: Solve for x
    x = 108,608,887,311.89/219,746.25
  6. Step 6: Final answer
    x = 494,246.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.