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Finding the Third Proportional to 6,720.47 and 10,104.75

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Solution

The third proportional to 6,720.47 and 10,104.75 is: 15,193.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,720.47 : 10,104.75 = 10,104.75 : x
  2. Step 2: Convert to fraction form
    6,720.47/10,104.75 = 10,104.75/x
  3. Step 3: Cross multiply
    6,720.47x = 10,104.75 × 10,104.75
  4. Step 4: Simplify right side
    6,720.47x = 102,105,972.56
  5. Step 5: Solve for x
    x = 102,105,972.56/6,720.47
  6. Step 6: Final answer
    x = 15,193.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.