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Finding the Third Proportional to 1,418 and 3,353

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Solution

The third proportional to 1,418 and 3,353 is: 7,928.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,418 : 3,353 = 3,353 : x
  2. Step 2: Convert to fraction form
    1,418/3,353 = 3,353/x
  3. Step 3: Cross multiply
    1,418x = 3,353 × 3,353
  4. Step 4: Simplify right side
    1,418x = 11,242,609
  5. Step 5: Solve for x
    x = 11,242,609/1,418
  6. Step 6: Final answer
    x = 7,928.50

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.