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Finding the Third Proportional to 4,856 and 5,576

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Solution

The third proportional to 4,856 and 5,576 is: 6,402.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,856 : 5,576 = 5,576 : x
  2. Step 2: Convert to fraction form
    4,856/5,576 = 5,576/x
  3. Step 3: Cross multiply
    4,856x = 5,576 × 5,576
  4. Step 4: Simplify right side
    4,856x = 31,091,776
  5. Step 5: Solve for x
    x = 31,091,776/4,856
  6. Step 6: Final answer
    x = 6,402.75

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Why These Related Problems?

These problems maintain the same ratio (1.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.