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Finding the Third Proportional to 10,956 and 17,982

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Solution

The third proportional to 10,956 and 17,982 is: 29,513.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,956 : 17,982 = 17,982 : x
  2. Step 2: Convert to fraction form
    10,956/17,982 = 17,982/x
  3. Step 3: Cross multiply
    10,956x = 17,982 × 17,982
  4. Step 4: Simplify right side
    10,956x = 323,352,324
  5. Step 5: Solve for x
    x = 323,352,324/10,956
  6. Step 6: Final answer
    x = 29,513.72

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These problems maintain the same ratio (1.64) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.