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Finding the Third Proportional to 108,559.50 and 239,205.75

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Solution

The third proportional to 108,559.50 and 239,205.75 is: 527,078.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,559.50 : 239,205.75 = 239,205.75 : x
  2. Step 2: Convert to fraction form
    108,559.50/239,205.75 = 239,205.75/x
  3. Step 3: Cross multiply
    108,559.50x = 239,205.75 × 239,205.75
  4. Step 4: Simplify right side
    108,559.50x = 57,219,390,833.06
  5. Step 5: Solve for x
    x = 57,219,390,833.06/108,559.50
  6. Step 6: Final answer
    x = 527,078.61

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.