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Finding the Third Proportional to 882 and 1,782

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Solution

The third proportional to 882 and 1,782 is: 3,600.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    882 : 1,782 = 1,782 : x
  2. Step 2: Convert to fraction form
    882/1,782 = 1,782/x
  3. Step 3: Cross multiply
    882x = 1,782 × 1,782
  4. Step 4: Simplify right side
    882x = 3,175,524
  5. Step 5: Solve for x
    x = 3,175,524/882
  6. Step 6: Final answer
    x = 3,600.37

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Why These Related Problems?

These problems maintain the same ratio (2.02) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.