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Finding the Third Proportional to 74,469.38 and 104,171.06

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Solution

The third proportional to 74,469.38 and 104,171.06 is: 145,719.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,469.38 : 104,171.06 = 104,171.06 : x
  2. Step 2: Convert to fraction form
    74,469.38/104,171.06 = 104,171.06/x
  3. Step 3: Cross multiply
    74,469.38x = 104,171.06 × 104,171.06
  4. Step 4: Simplify right side
    74,469.38x = 10,851,610,262.38
  5. Step 5: Solve for x
    x = 10,851,610,262.38/74,469.38
  6. Step 6: Final answer
    x = 145,719.10

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.