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Finding the Third Proportional to 5,775 and 12,576

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Solution

The third proportional to 5,775 and 12,576 is: 27,386.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,775 : 12,576 = 12,576 : x
  2. Step 2: Convert to fraction form
    5,775/12,576 = 12,576/x
  3. Step 3: Cross multiply
    5,775x = 12,576 × 12,576
  4. Step 4: Simplify right side
    5,775x = 158,155,776
  5. Step 5: Solve for x
    x = 158,155,776/5,775
  6. Step 6: Final answer
    x = 27,386.28

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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.