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Finding the Third Proportional to 15,647 and 34,750

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Solution

The third proportional to 15,647 and 34,750 is: 77,175.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,647 : 34,750 = 34,750 : x
  2. Step 2: Convert to fraction form
    15,647/34,750 = 34,750/x
  3. Step 3: Cross multiply
    15,647x = 34,750 × 34,750
  4. Step 4: Simplify right side
    15,647x = 1,207,562,500
  5. Step 5: Solve for x
    x = 1,207,562,500/15,647
  6. Step 6: Final answer
    x = 77,175.34

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.