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Finding the Third Proportional to 7,965 and 12,627

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Solution

The third proportional to 7,965 and 12,627 is: 20,017.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,965 : 12,627 = 12,627 : x
  2. Step 2: Convert to fraction form
    7,965/12,627 = 12,627/x
  3. Step 3: Cross multiply
    7,965x = 12,627 × 12,627
  4. Step 4: Simplify right side
    7,965x = 159,441,129
  5. Step 5: Solve for x
    x = 159,441,129/7,965
  6. Step 6: Final answer
    x = 20,017.72

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.