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Finding the Third Proportional to 5,057 and 7,762

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Solution

The third proportional to 5,057 and 7,762 is: 11,913.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,057 : 7,762 = 7,762 : x
  2. Step 2: Convert to fraction form
    5,057/7,762 = 7,762/x
  3. Step 3: Cross multiply
    5,057x = 7,762 × 7,762
  4. Step 4: Simplify right side
    5,057x = 60,248,644
  5. Step 5: Solve for x
    x = 60,248,644/5,057
  6. Step 6: Final answer
    x = 11,913.91

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.