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Finding the Third Proportional to 5,502 and 10,728.38

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Solution

The third proportional to 5,502 and 10,728.38 is: 20,919.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,502 : 10,728.38 = 10,728.38 : x
  2. Step 2: Convert to fraction form
    5,502/10,728.38 = 10,728.38/x
  3. Step 3: Cross multiply
    5,502x = 10,728.38 × 10,728.38
  4. Step 4: Simplify right side
    5,502x = 115,098,030.14
  5. Step 5: Solve for x
    x = 115,098,030.14/5,502
  6. Step 6: Final answer
    x = 20,919.31

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Why These Related Problems?

These problems maintain the same ratio (1.95) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.