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Finding the Third Proportional to 3,618 and 9,717

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Solution

The third proportional to 3,618 and 9,717 is: 26,097.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,618 : 9,717 = 9,717 : x
  2. Step 2: Convert to fraction form
    3,618/9,717 = 9,717/x
  3. Step 3: Cross multiply
    3,618x = 9,717 × 9,717
  4. Step 4: Simplify right side
    3,618x = 94,420,089
  5. Step 5: Solve for x
    x = 94,420,089/3,618
  6. Step 6: Final answer
    x = 26,097.32

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Why These Related Problems?

These problems maintain the same ratio (2.69) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.