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Finding the Third Proportional to 85,065 and 183,129

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Solution

The third proportional to 85,065 and 183,129 is: 394,242.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,065 : 183,129 = 183,129 : x
  2. Step 2: Convert to fraction form
    85,065/183,129 = 183,129/x
  3. Step 3: Cross multiply
    85,065x = 183,129 × 183,129
  4. Step 4: Simplify right side
    85,065x = 33,536,230,641
  5. Step 5: Solve for x
    x = 33,536,230,641/85,065
  6. Step 6: Final answer
    x = 394,242.41

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.