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Finding the Third Proportional to 8,281.50 and 10,755

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Solution

The third proportional to 8,281.50 and 10,755 is: 13,967.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,281.50 : 10,755 = 10,755 : x
  2. Step 2: Convert to fraction form
    8,281.50/10,755 = 10,755/x
  3. Step 3: Cross multiply
    8,281.50x = 10,755 × 10,755
  4. Step 4: Simplify right side
    8,281.50x = 115,670,025
  5. Step 5: Solve for x
    x = 115,670,025/8,281.50
  6. Step 6: Final answer
    x = 13,967.28

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Why These Related Problems?

These problems maintain the same ratio (1.30) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.