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Finding the Third Proportional to 4,415.25 and 9,635.25

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Solution

The third proportional to 4,415.25 and 9,635.25 is: 21,026.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,415.25 : 9,635.25 = 9,635.25 : x
  2. Step 2: Convert to fraction form
    4,415.25/9,635.25 = 9,635.25/x
  3. Step 3: Cross multiply
    4,415.25x = 9,635.25 × 9,635.25
  4. Step 4: Simplify right side
    4,415.25x = 92,838,042.56
  5. Step 5: Solve for x
    x = 92,838,042.56/4,415.25
  6. Step 6: Final answer
    x = 21,026.68

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.