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Finding the Third Proportional to 6,318 and 9,281

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Solution

The third proportional to 6,318 and 9,281 is: 13,633.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,318 : 9,281 = 9,281 : x
  2. Step 2: Convert to fraction form
    6,318/9,281 = 9,281/x
  3. Step 3: Cross multiply
    6,318x = 9,281 × 9,281
  4. Step 4: Simplify right side
    6,318x = 86,136,961
  5. Step 5: Solve for x
    x = 86,136,961/6,318
  6. Step 6: Final answer
    x = 13,633.58

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.