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Finding the Third Proportional to 11,502 and 17,817

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Solution

The third proportional to 11,502 and 17,817 is: 27,599.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,502 : 17,817 = 17,817 : x
  2. Step 2: Convert to fraction form
    11,502/17,817 = 17,817/x
  3. Step 3: Cross multiply
    11,502x = 17,817 × 17,817
  4. Step 4: Simplify right side
    11,502x = 317,445,489
  5. Step 5: Solve for x
    x = 317,445,489/11,502
  6. Step 6: Final answer
    x = 27,599.16

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.