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Finding the Third Proportional to 29,122.25 and 43,638.25

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Solution

The third proportional to 29,122.25 and 43,638.25 is: 65,389.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,122.25 : 43,638.25 = 43,638.25 : x
  2. Step 2: Convert to fraction form
    29,122.25/43,638.25 = 43,638.25/x
  3. Step 3: Cross multiply
    29,122.25x = 43,638.25 × 43,638.25
  4. Step 4: Simplify right side
    29,122.25x = 1,904,296,863.06
  5. Step 5: Solve for x
    x = 1,904,296,863.06/29,122.25
  6. Step 6: Final answer
    x = 65,389.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.