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Finding the Third Proportional to 4,478.25 and 9,753

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Solution

The third proportional to 4,478.25 and 9,753 is: 21,240.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,478.25 : 9,753 = 9,753 : x
  2. Step 2: Convert to fraction form
    4,478.25/9,753 = 9,753/x
  3. Step 3: Cross multiply
    4,478.25x = 9,753 × 9,753
  4. Step 4: Simplify right side
    4,478.25x = 95,121,009
  5. Step 5: Solve for x
    x = 95,121,009/4,478.25
  6. Step 6: Final answer
    x = 21,240.67

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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.