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Finding the Third Proportional to 13,238.25 and 19,452

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Solution

The third proportional to 13,238.25 and 19,452 is: 28,582.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,238.25 : 19,452 = 19,452 : x
  2. Step 2: Convert to fraction form
    13,238.25/19,452 = 19,452/x
  3. Step 3: Cross multiply
    13,238.25x = 19,452 × 19,452
  4. Step 4: Simplify right side
    13,238.25x = 378,380,304
  5. Step 5: Solve for x
    x = 378,380,304/13,238.25
  6. Step 6: Final answer
    x = 28,582.35

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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.