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Finding the Third Proportional to 1,775 and 3,637

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Solution

The third proportional to 1,775 and 3,637 is: 7,452.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,775 : 3,637 = 3,637 : x
  2. Step 2: Convert to fraction form
    1,775/3,637 = 3,637/x
  3. Step 3: Cross multiply
    1,775x = 3,637 × 3,637
  4. Step 4: Simplify right side
    1,775x = 13,227,769
  5. Step 5: Solve for x
    x = 13,227,769/1,775
  6. Step 6: Final answer
    x = 7,452.26

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.