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Finding the Third Proportional to 303,609.94 and 445,572.56

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Solution

The third proportional to 303,609.94 and 445,572.56 is: 653,914.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,609.94 : 445,572.56 = 445,572.56 : x
  2. Step 2: Convert to fraction form
    303,609.94/445,572.56 = 445,572.56/x
  3. Step 3: Cross multiply
    303,609.94x = 445,572.56 × 445,572.56
  4. Step 4: Simplify right side
    303,609.94x = 198,534,908,452.82
  5. Step 5: Solve for x
    x = 198,534,908,452.82/303,609.94
  6. Step 6: Final answer
    x = 653,914.39

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.