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Finding the Third Proportional to 3,605 and 4,433

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Solution

The third proportional to 3,605 and 4,433 is: 5,451.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,605 : 4,433 = 4,433 : x
  2. Step 2: Convert to fraction form
    3,605/4,433 = 4,433/x
  3. Step 3: Cross multiply
    3,605x = 4,433 × 4,433
  4. Step 4: Simplify right side
    3,605x = 19,651,489
  5. Step 5: Solve for x
    x = 19,651,489/3,605
  6. Step 6: Final answer
    x = 5,451.18

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Why These Related Problems?

These problems maintain the same ratio (1.23) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.