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Finding the Third Proportional to 4,405 and 6,441

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Solution

The third proportional to 4,405 and 6,441 is: 9,418.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,405 : 6,441 = 6,441 : x
  2. Step 2: Convert to fraction form
    4,405/6,441 = 6,441/x
  3. Step 3: Cross multiply
    4,405x = 6,441 × 6,441
  4. Step 4: Simplify right side
    4,405x = 41,486,481
  5. Step 5: Solve for x
    x = 41,486,481/4,405
  6. Step 6: Final answer
    x = 9,418.04

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.