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Finding the Third Proportional to 7,697 and 16,603

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Solution

The third proportional to 7,697 and 16,603 is: 35,813.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,697 : 16,603 = 16,603 : x
  2. Step 2: Convert to fraction form
    7,697/16,603 = 16,603/x
  3. Step 3: Cross multiply
    7,697x = 16,603 × 16,603
  4. Step 4: Simplify right side
    7,697x = 275,659,609
  5. Step 5: Solve for x
    x = 275,659,609/7,697
  6. Step 6: Final answer
    x = 35,813.90

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.