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Finding the Third Proportional to 3,553 and 7,753

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Solution

The third proportional to 3,553 and 7,753 is: 16,917.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,553 : 7,753 = 7,753 : x
  2. Step 2: Convert to fraction form
    3,553/7,753 = 7,753/x
  3. Step 3: Cross multiply
    3,553x = 7,753 × 7,753
  4. Step 4: Simplify right side
    3,553x = 60,109,009
  5. Step 5: Solve for x
    x = 60,109,009/3,553
  6. Step 6: Final answer
    x = 16,917.82

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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.