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Finding the Third Proportional to 6,656 and 15,425

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Solution

The third proportional to 6,656 and 15,425 is: 35,746.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,656 : 15,425 = 15,425 : x
  2. Step 2: Convert to fraction form
    6,656/15,425 = 15,425/x
  3. Step 3: Cross multiply
    6,656x = 15,425 × 15,425
  4. Step 4: Simplify right side
    6,656x = 237,930,625
  5. Step 5: Solve for x
    x = 237,930,625/6,656
  6. Step 6: Final answer
    x = 35,746.79

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Why These Related Problems?

These problems maintain the same ratio (2.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.