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Finding the Third Proportional to 5,018 and 8,175

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Solution

The third proportional to 5,018 and 8,175 is: 13,318.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,018 : 8,175 = 8,175 : x
  2. Step 2: Convert to fraction form
    5,018/8,175 = 8,175/x
  3. Step 3: Cross multiply
    5,018x = 8,175 × 8,175
  4. Step 4: Simplify right side
    5,018x = 66,830,625
  5. Step 5: Solve for x
    x = 66,830,625/5,018
  6. Step 6: Final answer
    x = 13,318.18

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Why These Related Problems?

These problems maintain the same ratio (1.63) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.