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Finding the Third Proportional to 108,722.88 and 220,502.75

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Solution

The third proportional to 108,722.88 and 220,502.75 is: 447,205.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,722.88 : 220,502.75 = 220,502.75 : x
  2. Step 2: Convert to fraction form
    108,722.88/220,502.75 = 220,502.75/x
  3. Step 3: Cross multiply
    108,722.88x = 220,502.75 × 220,502.75
  4. Step 4: Simplify right side
    108,722.88x = 48,621,462,757.56
  5. Step 5: Solve for x
    x = 48,621,462,757.56/108,722.88
  6. Step 6: Final answer
    x = 447,205.45

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Why These Related Problems?

These problems maintain the same ratio (2.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.