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Finding the Third Proportional to 6,220.25 and 9,630.88

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Solution

The third proportional to 6,220.25 and 9,630.88 is: 14,911.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,220.25 : 9,630.88 = 9,630.88 : x
  2. Step 2: Convert to fraction form
    6,220.25/9,630.88 = 9,630.88/x
  3. Step 3: Cross multiply
    6,220.25x = 9,630.88 × 9,630.88
  4. Step 4: Simplify right side
    6,220.25x = 92,753,753.27
  5. Step 5: Solve for x
    x = 92,753,753.27/6,220.25
  6. Step 6: Final answer
    x = 14,911.58

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.