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Finding the Third Proportional to 13,197 and 19,362.75

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Solution

The third proportional to 13,197 and 19,362.75 is: 28,409.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,197 : 19,362.75 = 19,362.75 : x
  2. Step 2: Convert to fraction form
    13,197/19,362.75 = 19,362.75/x
  3. Step 3: Cross multiply
    13,197x = 19,362.75 × 19,362.75
  4. Step 4: Simplify right side
    13,197x = 374,916,087.56
  5. Step 5: Solve for x
    x = 374,916,087.56/13,197
  6. Step 6: Final answer
    x = 28,409.19

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.