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Finding the Third Proportional to 12,132.75 and 19,241.25

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Solution

The third proportional to 12,132.75 and 19,241.25 is: 30,514.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,132.75 : 19,241.25 = 19,241.25 : x
  2. Step 2: Convert to fraction form
    12,132.75/19,241.25 = 19,241.25/x
  3. Step 3: Cross multiply
    12,132.75x = 19,241.25 × 19,241.25
  4. Step 4: Simplify right side
    12,132.75x = 370,225,701.56
  5. Step 5: Solve for x
    x = 370,225,701.56/12,132.75
  6. Step 6: Final answer
    x = 30,514.57

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.