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Finding the Third Proportional to 882 and 2,381

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Solution

The third proportional to 882 and 2,381 is: 6,427.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    882 : 2,381 = 2,381 : x
  2. Step 2: Convert to fraction form
    882/2,381 = 2,381/x
  3. Step 3: Cross multiply
    882x = 2,381 × 2,381
  4. Step 4: Simplify right side
    882x = 5,669,161
  5. Step 5: Solve for x
    x = 5,669,161/882
  6. Step 6: Final answer
    x = 6,427.62

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Why These Related Problems?

These problems maintain the same ratio (2.70) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.