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Finding the Third Proportional to 9,728 and 14,450.25

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Solution

The third proportional to 9,728 and 14,450.25 is: 21,464.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,728 : 14,450.25 = 14,450.25 : x
  2. Step 2: Convert to fraction form
    9,728/14,450.25 = 14,450.25/x
  3. Step 3: Cross multiply
    9,728x = 14,450.25 × 14,450.25
  4. Step 4: Simplify right side
    9,728x = 208,809,725.06
  5. Step 5: Solve for x
    x = 208,809,725.06/9,728
  6. Step 6: Final answer
    x = 21,464.82

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.