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Finding the Third Proportional to 74,469.38 and 162,042.75

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Solution

The third proportional to 74,469.38 and 162,042.75 is: 352,599.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,469.38 : 162,042.75 = 162,042.75 : x
  2. Step 2: Convert to fraction form
    74,469.38/162,042.75 = 162,042.75/x
  3. Step 3: Cross multiply
    74,469.38x = 162,042.75 × 162,042.75
  4. Step 4: Simplify right side
    74,469.38x = 26,257,852,827.56
  5. Step 5: Solve for x
    x = 26,257,852,827.56/74,469.38
  6. Step 6: Final answer
    x = 352,599.34

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.