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Finding the Third Proportional to 217,488.50 and 332,733.50

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Solution

The third proportional to 217,488.50 and 332,733.50 is: 509,045.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,488.50 : 332,733.50 = 332,733.50 : x
  2. Step 2: Convert to fraction form
    217,488.50/332,733.50 = 332,733.50/x
  3. Step 3: Cross multiply
    217,488.50x = 332,733.50 × 332,733.50
  4. Step 4: Simplify right side
    217,488.50x = 110,711,582,022.25
  5. Step 5: Solve for x
    x = 110,711,582,022.25/217,488.50
  6. Step 6: Final answer
    x = 509,045.68

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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.