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Finding the Third Proportional to 11,535.75 and 15,201

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Solution

The third proportional to 11,535.75 and 15,201 is: 20,030.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,535.75 : 15,201 = 15,201 : x
  2. Step 2: Convert to fraction form
    11,535.75/15,201 = 15,201/x
  3. Step 3: Cross multiply
    11,535.75x = 15,201 × 15,201
  4. Step 4: Simplify right side
    11,535.75x = 231,070,401
  5. Step 5: Solve for x
    x = 231,070,401/11,535.75
  6. Step 6: Final answer
    x = 20,030.81

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Why These Related Problems?

These problems maintain the same ratio (1.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.