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Finding the Third Proportional to 3,897.50 and 6,269

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Solution

The third proportional to 3,897.50 and 6,269 is: 10,083.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,897.50 : 6,269 = 6,269 : x
  2. Step 2: Convert to fraction form
    3,897.50/6,269 = 6,269/x
  3. Step 3: Cross multiply
    3,897.50x = 6,269 × 6,269
  4. Step 4: Simplify right side
    3,897.50x = 39,300,361
  5. Step 5: Solve for x
    x = 39,300,361/3,897.50
  6. Step 6: Final answer
    x = 10,083.48

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Why These Related Problems?

These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.