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Finding the Third Proportional to 8,808.75 and 18,539.72

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Solution

The third proportional to 8,808.75 and 18,539.72 is: 39,020.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,808.75 : 18,539.72 = 18,539.72 : x
  2. Step 2: Convert to fraction form
    8,808.75/18,539.72 = 18,539.72/x
  3. Step 3: Cross multiply
    8,808.75x = 18,539.72 × 18,539.72
  4. Step 4: Simplify right side
    8,808.75x = 343,721,171.33
  5. Step 5: Solve for x
    x = 343,721,171.33/8,808.75
  6. Step 6: Final answer
    x = 39,020.43

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.