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Finding the Third Proportional to 366,858 and 482,415

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Solution

The third proportional to 366,858 and 482,415 is: 634,371.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,858 : 482,415 = 482,415 : x
  2. Step 2: Convert to fraction form
    366,858/482,415 = 482,415/x
  3. Step 3: Cross multiply
    366,858x = 482,415 × 482,415
  4. Step 4: Simplify right side
    366,858x = 232,724,232,225
  5. Step 5: Solve for x
    x = 232,724,232,225/366,858
  6. Step 6: Final answer
    x = 634,371.42

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Why These Related Problems?

These problems maintain the same ratio (1.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.