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Finding the Third Proportional to 3,860 and 7,526

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Solution

The third proportional to 3,860 and 7,526 is: 14,673.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,860 : 7,526 = 7,526 : x
  2. Step 2: Convert to fraction form
    3,860/7,526 = 7,526/x
  3. Step 3: Cross multiply
    3,860x = 7,526 × 7,526
  4. Step 4: Simplify right side
    3,860x = 56,640,676
  5. Step 5: Solve for x
    x = 56,640,676/3,860
  6. Step 6: Final answer
    x = 14,673.75

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Why These Related Problems?

These problems maintain the same ratio (1.95) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.