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Finding the Third Proportional to 7,191 and 10,395

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Solution

The third proportional to 7,191 and 10,395 is: 15,026.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,191 : 10,395 = 10,395 : x
  2. Step 2: Convert to fraction form
    7,191/10,395 = 10,395/x
  3. Step 3: Cross multiply
    7,191x = 10,395 × 10,395
  4. Step 4: Simplify right side
    7,191x = 108,056,025
  5. Step 5: Solve for x
    x = 108,056,025/7,191
  6. Step 6: Final answer
    x = 15,026.56

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Why These Related Problems?

These problems maintain the same ratio (1.45) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.