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Finding the Third Proportional to 108,003.75 and 162,029.25

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Solution

The third proportional to 108,003.75 and 162,029.25 is: 243,079.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,003.75 : 162,029.25 = 162,029.25 : x
  2. Step 2: Convert to fraction form
    108,003.75/162,029.25 = 162,029.25/x
  3. Step 3: Cross multiply
    108,003.75x = 162,029.25 × 162,029.25
  4. Step 4: Simplify right side
    108,003.75x = 26,253,477,855.56
  5. Step 5: Solve for x
    x = 26,253,477,855.56/108,003.75
  6. Step 6: Final answer
    x = 243,079.32

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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.