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Finding the Third Proportional to 3,871 and 8,342

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Solution

The third proportional to 3,871 and 8,342 is: 17,977.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,871 : 8,342 = 8,342 : x
  2. Step 2: Convert to fraction form
    3,871/8,342 = 8,342/x
  3. Step 3: Cross multiply
    3,871x = 8,342 × 8,342
  4. Step 4: Simplify right side
    3,871x = 69,588,964
  5. Step 5: Solve for x
    x = 69,588,964/3,871
  6. Step 6: Final answer
    x = 17,977.00

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These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.