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Finding the Third Proportional to 2,816 and 5,077

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Solution

The third proportional to 2,816 and 5,077 is: 9,153.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,816 : 5,077 = 5,077 : x
  2. Step 2: Convert to fraction form
    2,816/5,077 = 5,077/x
  3. Step 3: Cross multiply
    2,816x = 5,077 × 5,077
  4. Step 4: Simplify right side
    2,816x = 25,775,929
  5. Step 5: Solve for x
    x = 25,775,929/2,816
  6. Step 6: Final answer
    x = 9,153.38

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Why These Related Problems?

These problems maintain the same ratio (1.80) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.