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Finding the Third Proportional to 7,809 and 16,848

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Solution

The third proportional to 7,809 and 16,848 is: 36,349.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,809 : 16,848 = 16,848 : x
  2. Step 2: Convert to fraction form
    7,809/16,848 = 16,848/x
  3. Step 3: Cross multiply
    7,809x = 16,848 × 16,848
  4. Step 4: Simplify right side
    7,809x = 283,855,104
  5. Step 5: Solve for x
    x = 283,855,104/7,809
  6. Step 6: Final answer
    x = 36,349.74

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.