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Finding the Third Proportional to 3,262 and 7,639

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Solution

The third proportional to 3,262 and 7,639 is: 17,889.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,262 : 7,639 = 7,639 : x
  2. Step 2: Convert to fraction form
    3,262/7,639 = 7,639/x
  3. Step 3: Cross multiply
    3,262x = 7,639 × 7,639
  4. Step 4: Simplify right side
    3,262x = 58,354,321
  5. Step 5: Solve for x
    x = 58,354,321/3,262
  6. Step 6: Final answer
    x = 17,889.12

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Why These Related Problems?

These problems maintain the same ratio (2.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.