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Finding the Third Proportional to 8,631 and 10,273.50

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Solution

The third proportional to 8,631 and 10,273.50 is: 12,228.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,631 : 10,273.50 = 10,273.50 : x
  2. Step 2: Convert to fraction form
    8,631/10,273.50 = 10,273.50/x
  3. Step 3: Cross multiply
    8,631x = 10,273.50 × 10,273.50
  4. Step 4: Simplify right side
    8,631x = 105,544,802.25
  5. Step 5: Solve for x
    x = 105,544,802.25/8,631
  6. Step 6: Final answer
    x = 12,228.57

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Why These Related Problems?

These problems maintain the same ratio (1.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.