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Finding the Third Proportional to 228,378 and 363,699

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Solution

The third proportional to 228,378 and 363,699 is: 579,201.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,378 : 363,699 = 363,699 : x
  2. Step 2: Convert to fraction form
    228,378/363,699 = 363,699/x
  3. Step 3: Cross multiply
    228,378x = 363,699 × 363,699
  4. Step 4: Simplify right side
    228,378x = 132,276,962,601
  5. Step 5: Solve for x
    x = 132,276,962,601/228,378
  6. Step 6: Final answer
    x = 579,201.86

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.