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Finding the Third Proportional to 4,520 and 9,576

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Solution

The third proportional to 4,520 and 9,576 is: 20,287.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,520 : 9,576 = 9,576 : x
  2. Step 2: Convert to fraction form
    4,520/9,576 = 9,576/x
  3. Step 3: Cross multiply
    4,520x = 9,576 × 9,576
  4. Step 4: Simplify right side
    4,520x = 91,699,776
  5. Step 5: Solve for x
    x = 91,699,776/4,520
  6. Step 6: Final answer
    x = 20,287.56

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.