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Finding the Third Proportional to 8,609.63 and 12,753

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Solution

The third proportional to 8,609.63 and 12,753 is: 18,890.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,609.63 : 12,753 = 12,753 : x
  2. Step 2: Convert to fraction form
    8,609.63/12,753 = 12,753/x
  3. Step 3: Cross multiply
    8,609.63x = 12,753 × 12,753
  4. Step 4: Simplify right side
    8,609.63x = 162,639,009
  5. Step 5: Solve for x
    x = 162,639,009/8,609.63
  6. Step 6: Final answer
    x = 18,890.37

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.