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Finding the Third Proportional to 8,648 and 11,730

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Solution

The third proportional to 8,648 and 11,730 is: 15,910.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,648 : 11,730 = 11,730 : x
  2. Step 2: Convert to fraction form
    8,648/11,730 = 11,730/x
  3. Step 3: Cross multiply
    8,648x = 11,730 × 11,730
  4. Step 4: Simplify right side
    8,648x = 137,592,900
  5. Step 5: Solve for x
    x = 137,592,900/8,648
  6. Step 6: Final answer
    x = 15,910.37

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.