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Finding the Third Proportional to 8,376.50 and 12,673

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Solution

The third proportional to 8,376.50 and 12,673 is: 19,173.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,376.50 : 12,673 = 12,673 : x
  2. Step 2: Convert to fraction form
    8,376.50/12,673 = 12,673/x
  3. Step 3: Cross multiply
    8,376.50x = 12,673 × 12,673
  4. Step 4: Simplify right side
    8,376.50x = 160,604,929
  5. Step 5: Solve for x
    x = 160,604,929/8,376.50
  6. Step 6: Final answer
    x = 19,173.27

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.