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Finding the Third Proportional to 6,219.50 and 9,630.50

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Solution

The third proportional to 6,219.50 and 9,630.50 is: 14,912.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,219.50 : 9,630.50 = 9,630.50 : x
  2. Step 2: Convert to fraction form
    6,219.50/9,630.50 = 9,630.50/x
  3. Step 3: Cross multiply
    6,219.50x = 9,630.50 × 9,630.50
  4. Step 4: Simplify right side
    6,219.50x = 92,746,530.25
  5. Step 5: Solve for x
    x = 92,746,530.25/6,219.50
  6. Step 6: Final answer
    x = 14,912.22

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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.