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Finding the Third Proportional to 885 and 1,924

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Solution

The third proportional to 885 and 1,924 is: 4,182.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    885 : 1,924 = 1,924 : x
  2. Step 2: Convert to fraction form
    885/1,924 = 1,924/x
  3. Step 3: Cross multiply
    885x = 1,924 × 1,924
  4. Step 4: Simplify right side
    885x = 3,701,776
  5. Step 5: Solve for x
    x = 3,701,776/885
  6. Step 6: Final answer
    x = 4,182.80

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.