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Finding the Third Proportional to 7,995 and 12,663

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Solution

The third proportional to 7,995 and 12,663 is: 20,056.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,995 : 12,663 = 12,663 : x
  2. Step 2: Convert to fraction form
    7,995/12,663 = 12,663/x
  3. Step 3: Cross multiply
    7,995x = 12,663 × 12,663
  4. Step 4: Simplify right side
    7,995x = 160,351,569
  5. Step 5: Solve for x
    x = 160,351,569/7,995
  6. Step 6: Final answer
    x = 20,056.48

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.